Definition of coherent in English:

coherent

adjective kə(ʊ)ˈhɪər(ə)ntˌkoʊˈhɪrənt

1(of an argument, theory, or policy) logical and consistent.
they failed to develop a coherent economic strategy
Example sentencesExamples
- The human mind is much more capable of integrating images, logos, and short sound bites than it is at comprehending any sort of coherent, logical argument.
- For example, I doubt that I possess a single, coherent theory of law.
- There is little evidence the party is developing a coherent argument that would persuade voters the centre-right is attractive or even relevant to them.
- His choice of words has occasionally been politically naive, but his views are sincerely held and his arguments are internally coherent.
- Lacking a clear or coherent argument, the book also lacks anything in the way of vivid anecdote.
- Today the politics of these countries become more and more populist: appeals to public opinion rather than to reasoned concepts of coherent policy.
- He can put together a coherent policy programme which emphasises sensible reform of the public services and the tax and benefits system.
- Neither plaintiff can articulate any coherent argument, and the case ought to have been tossed out in an instant.
- The district attorney just says there simply isn't enough time to do what he needs to do in order to present a coherent argument tomorrow during this hearing.
- I fail to see how that provides a logical, coherent argument for the increase.
- Well, that's not the most coherent argument I've ever put together in favor of the educational system, but you get the idea.
- In dealing with the above topics various questions emerge: Are coherent theories and testable hypotheses presented?
- These constitute not a coherent theory of history or of liberty but a series of insights that continue to enlighten and inspire.
- If we can't construct coherent policies to combat crime effectively, let's just pay it protection money.
- In this important new book, he suggests that what is lacking is a coherent theory of markets as social institutions.
- Somehow out of these nearly antipodal situations a coherent policy of managerial control will have to be fashioned.
- Their industrial policies are coherent and substantial.
- I can think of a lot of reasons why this is neither a good nor a coherent policy.
- It presents a clear and coherent argument that applies historical analysis to a significant contemporary issue.
- It is not surprising that his administration has failed to produce a systematic, coherent policy on religion.
Synonyms
logical, reasoned, reasonable, well reasoned, rational, sound, cogent
consistent, well organized, systematic, orderly, methodical
clear, lucid, articulate, relevant, intelligible, comprehensible
informal joined-up
1. 1.1 (of a person) able to speak clearly and logically.
  she was lucid and coherent and did not appear to be injured
  Example sentencesExamples
  When he takes his prescription he is not coherent.
  Come on Chris, go study your contraception pamphlets and military briefing papers and come back when you're coherent.
  I'm not coherent and relevant at the best of times, if I'm dead-on-my-feet tired it's even worse.
  She only had a mild concussion and she was coherent and trying to get up and about - otherwise, not a scratch on her.
  When you and Blake split, you weren't coherent about anything.
  He was an extremely articulate and coherent person - he knew what he wanted, he knew why he was doing it, and he didn't see why people should have a problem with it.
  Now that I am coherent, I can recount our morning.
  Sitting up slowly, she pushed hair out of her eyes and glanced sleepily around, her eyes taking in the room a little more thoroughly now that she was coherent.
  Thanks to the fellow rider who saw the whole thing, pulled over, and made sure I was coherent.
  In fact I was more coherent about the general approach than I can remember being.
  The leader visited the EU today and showed that he is as coherent now as he ever was.
  Although he had a few drinks he was sufficiently coherent to arrange a taxi home.
  The thief was sober, coherent and, although clearly dangerous, seemingly intelligent.
  You may have it wrong and backward, but at least you are coherent, unlike most on this thread.
  But now that I'm finally coherent enough to write again, I went ahead and updated.
  She was here, in the moment, and she was totally coherent and rational.
  By then, he was coherent enough to be able to listen to the twin's conversation.
  A military source at Central Command said: ‘She was coherent and was able to give her rescuers the thumbs up.’
  Luckily, as drunk as we were, we were still coherent enough to bat away the guy's sales pitch with enough authority to be allowed to leave.
  When she does catch what we are talking about she is very coherent and has intelligent comments to make.
2Forming a unified whole.
the arts could be systematized into one coherent body of knowledge
Example sentencesExamples
- It also developed a coherent body of theological and administrative opinion.
- Think security and the idea of assembling a coherent body of knowledge on a terrorist organisation.
- With this work, he achieves a rare artistic testimony as well as a new step in the very coherent body of his work.
- We see the dichotomies, the wealth of paradox and the inherent contradictions but fail to see what it is that unifies them all into a coherent whole in their minds.
- The proposed national body would be a coherent group to represent the needs of all female sports in Ireland.
- One is called on constantly to articulate and represent one's practice as a coherent body of work.
- There is no coherent body of EC or EU law governing the position of third-country nationals.
- Thus both sources must be read with the knowledge that a complete and coherent truth can never be fully retrieved.
- It does not have the centralisation of religious authority which can both unify people around a coherent set of values and prevent the emergence of extremes.
- The result is an ongoing series of autobiographical films, one of the most coherent bodies of work in the cinema.
- They often present a body of traditions and beliefs as coherent and timeless.
- Here we have a coherent body of knowledge, which Lyndon LaRouche has developed.
- We also have a coherent body of activists who are committed to changing the world.
- One of the most visually coherent and imposing bodies of work I did see was that produced by a fourth year sculpture student.
- All of these elements recur again and again, helping to create the impression of a body of work that is remarkably coherent.
- Tattoos done in this manner - without a coherent plan for the body as a whole - are ‘guy’ tattoos.
- Indeed, the schema serves to structure the knowledge of the instances, bringing them together into a coherent network.
- As a collection of works the exhibition doesn't seem very unified, it doesn't have a coherent visual voice.
- The prize will honor a visually compelling, coherent body of work that bears witness and has integrity of purpose.
- Consequently we have a relatively coherent body of knowledge about ancient Hawaiian healing practices.
Synonyms
unified, united, consolidated, amalgamated, joined, combined, merged, fused, blended, meshed, homogeneous, homogenized, mutually dependent, assimilated, cohesive, concatenated
3Physics
(of waves) having a constant phase relationship.
Example sentencesExamples
- There are of course lasers with wavelengths in the infrared, masers that emit coherent microwaves, and even x-ray lasers.
- It can be seen most clearly when a coherent wave is split into two partial waves that are then recombined to produce a pattern of bright and dark fringes on a screen.
- In other words, the phase of the coherent matter wave is well defined but the number of atoms fluctuates from site to site.
- A laser is the generator of intense coherent, electromagnetic radiation in the spectral range between ultra violet and infrared wavelengths.
- A laser differs from ordinary light because it is coherent light, but that is pretty much irrelevant for propulsion purposes.

Origin

Mid 16th century (in the sense 'logically related to'): from Latin cohaerent- 'sticking together', from the verb cohaerere (see cohere).

Rhymes

adherent, sederunt

Definition of coherent in US English:

coherent

adjectiveˌkoʊˈhɪrəntˌkōˈhirənt

1(of an argument, theory, or policy) logical and consistent.
they failed to develop a coherent economic strategy
Example sentencesExamples
- Well, that's not the most coherent argument I've ever put together in favor of the educational system, but you get the idea.
- Lacking a clear or coherent argument, the book also lacks anything in the way of vivid anecdote.
- For example, I doubt that I possess a single, coherent theory of law.
- It is not surprising that his administration has failed to produce a systematic, coherent policy on religion.
- Their industrial policies are coherent and substantial.
- I fail to see how that provides a logical, coherent argument for the increase.
- Today the politics of these countries become more and more populist: appeals to public opinion rather than to reasoned concepts of coherent policy.
- I can think of a lot of reasons why this is neither a good nor a coherent policy.
- The district attorney just says there simply isn't enough time to do what he needs to do in order to present a coherent argument tomorrow during this hearing.
- He can put together a coherent policy programme which emphasises sensible reform of the public services and the tax and benefits system.
- Somehow out of these nearly antipodal situations a coherent policy of managerial control will have to be fashioned.
- In this important new book, he suggests that what is lacking is a coherent theory of markets as social institutions.
- It presents a clear and coherent argument that applies historical analysis to a significant contemporary issue.
- His choice of words has occasionally been politically naive, but his views are sincerely held and his arguments are internally coherent.
- Neither plaintiff can articulate any coherent argument, and the case ought to have been tossed out in an instant.
- These constitute not a coherent theory of history or of liberty but a series of insights that continue to enlighten and inspire.
- There is little evidence the party is developing a coherent argument that would persuade voters the centre-right is attractive or even relevant to them.
- The human mind is much more capable of integrating images, logos, and short sound bites than it is at comprehending any sort of coherent, logical argument.
- In dealing with the above topics various questions emerge: Are coherent theories and testable hypotheses presented?
- If we can't construct coherent policies to combat crime effectively, let's just pay it protection money.
Synonyms
logical, reasoned, reasonable, well reasoned, rational, sound, cogent
1. 1.1 (of a person) able to speak clearly and logically.
  she was lucid and coherent and did not appear to be injured
  Example sentencesExamples
  Come on Chris, go study your contraception pamphlets and military briefing papers and come back when you're coherent.
  He was an extremely articulate and coherent person - he knew what he wanted, he knew why he was doing it, and he didn't see why people should have a problem with it.
  By then, he was coherent enough to be able to listen to the twin's conversation.
  Thanks to the fellow rider who saw the whole thing, pulled over, and made sure I was coherent.
  In fact I was more coherent about the general approach than I can remember being.
  Now that I am coherent, I can recount our morning.
  Sitting up slowly, she pushed hair out of her eyes and glanced sleepily around, her eyes taking in the room a little more thoroughly now that she was coherent.
  You may have it wrong and backward, but at least you are coherent, unlike most on this thread.
  When she does catch what we are talking about she is very coherent and has intelligent comments to make.
  When he takes his prescription he is not coherent.
  Luckily, as drunk as we were, we were still coherent enough to bat away the guy's sales pitch with enough authority to be allowed to leave.
  She was here, in the moment, and she was totally coherent and rational.
  I'm not coherent and relevant at the best of times, if I'm dead-on-my-feet tired it's even worse.
  When you and Blake split, you weren't coherent about anything.
  The thief was sober, coherent and, although clearly dangerous, seemingly intelligent.
  She only had a mild concussion and she was coherent and trying to get up and about - otherwise, not a scratch on her.
  The leader visited the EU today and showed that he is as coherent now as he ever was.
  But now that I'm finally coherent enough to write again, I went ahead and updated.
  Although he had a few drinks he was sufficiently coherent to arrange a taxi home.
  A military source at Central Command said: ‘She was coherent and was able to give her rescuers the thumbs up.’
2United as or forming a whole.
divided into a number of geographically coherent kingdoms
Example sentencesExamples
- It does not have the centralisation of religious authority which can both unify people around a coherent set of values and prevent the emergence of extremes.
- Think security and the idea of assembling a coherent body of knowledge on a terrorist organisation.
- One of the most visually coherent and imposing bodies of work I did see was that produced by a fourth year sculpture student.
- One is called on constantly to articulate and represent one's practice as a coherent body of work.
- Here we have a coherent body of knowledge, which Lyndon LaRouche has developed.
- The result is an ongoing series of autobiographical films, one of the most coherent bodies of work in the cinema.
- Tattoos done in this manner - without a coherent plan for the body as a whole - are ‘guy’ tattoos.
- All of these elements recur again and again, helping to create the impression of a body of work that is remarkably coherent.
- The proposed national body would be a coherent group to represent the needs of all female sports in Ireland.
- They often present a body of traditions and beliefs as coherent and timeless.
- With this work, he achieves a rare artistic testimony as well as a new step in the very coherent body of his work.
- Thus both sources must be read with the knowledge that a complete and coherent truth can never be fully retrieved.
- There is no coherent body of EC or EU law governing the position of third-country nationals.
- Consequently we have a relatively coherent body of knowledge about ancient Hawaiian healing practices.
- We also have a coherent body of activists who are committed to changing the world.
- Indeed, the schema serves to structure the knowledge of the instances, bringing them together into a coherent network.
- It also developed a coherent body of theological and administrative opinion.
- The prize will honor a visually compelling, coherent body of work that bears witness and has integrity of purpose.
- We see the dichotomies, the wealth of paradox and the inherent contradictions but fail to see what it is that unifies them all into a coherent whole in their minds.
- As a collection of works the exhibition doesn't seem very unified, it doesn't have a coherent visual voice.
Synonyms
unified, united, consolidated, amalgamated, joined, combined, merged, fused, blended, meshed, homogeneous, homogenized, mutually dependent, assimilated, cohesive, concatenated
3Physics
(of waves) having a constant phase relationship.
Example sentencesExamples
- In other words, the phase of the coherent matter wave is well defined but the number of atoms fluctuates from site to site.
- A laser is the generator of intense coherent, electromagnetic radiation in the spectral range between ultra violet and infrared wavelengths.
- It can be seen most clearly when a coherent wave is split into two partial waves that are then recombined to produce a pattern of bright and dark fringes on a screen.
- A laser differs from ordinary light because it is coherent light, but that is pretty much irrelevant for propulsion purposes.
- There are of course lasers with wavelengths in the infrared, masers that emit coherent microwaves, and even x-ray lasers.

Origin

Mid 16th century (in the sense ‘logically related to’): from Latin cohaerent- ‘sticking together’, from the verb cohaerere (see cohere).

单词	coherent
释义	Definition of coherent in English: coherent adjective kə(ʊ)ˈhɪər(ə)ntˌkoʊˈhɪrənt 1(of an argument, theory, or policy) logical and consistent. they failed to develop a coherent economic strategy Example sentencesExamples The human mind is much more capable of integrating images, logos, and short sound bites than it is at comprehending any sort of coherent, logical argument. For example, I doubt that I possess a single, coherent theory of law. There is little evidence the party is developing a coherent argument that would persuade voters the centre-right is attractive or even relevant to them. His choice of words has occasionally been politically naive, but his views are sincerely held and his arguments are internally coherent. Lacking a clear or coherent argument, the book also lacks anything in the way of vivid anecdote. Today the politics of these countries become more and more populist: appeals to public opinion rather than to reasoned concepts of coherent policy. He can put together a coherent policy programme which emphasises sensible reform of the public services and the tax and benefits system. Neither plaintiff can articulate any coherent argument, and the case ought to have been tossed out in an instant. The district attorney just says there simply isn't enough time to do what he needs to do in order to present a coherent argument tomorrow during this hearing. I fail to see how that provides a logical, coherent argument for the increase. Well, that's not the most coherent argument I've ever put together in favor of the educational system, but you get the idea. In dealing with the above topics various questions emerge: Are coherent theories and testable hypotheses presented? These constitute not a coherent theory of history or of liberty but a series of insights that continue to enlighten and inspire. If we can't construct coherent policies to combat crime effectively, let's just pay it protection money. In this important new book, he suggests that what is lacking is a coherent theory of markets as social institutions. Somehow out of these nearly antipodal situations a coherent policy of managerial control will have to be fashioned. Their industrial policies are coherent and substantial. I can think of a lot of reasons why this is neither a good nor a coherent policy. It presents a clear and coherent argument that applies historical analysis to a significant contemporary issue. It is not surprising that his administration has failed to produce a systematic, coherent policy on religion. Synonyms logical, reasoned, reasonable, well reasoned, rational, sound, cogent consistent, well organized, systematic, orderly, methodical clear, lucid, articulate, relevant, intelligible, comprehensible informal joined-up 1.1 (of a person) able to speak clearly and logically. she was lucid and coherent and did not appear to be injured Example sentencesExamples When he takes his prescription he is not coherent. Come on Chris, go study your contraception pamphlets and military briefing papers and come back when you're coherent. I'm not coherent and relevant at the best of times, if I'm dead-on-my-feet tired it's even worse. She only had a mild concussion and she was coherent and trying to get up and about - otherwise, not a scratch on her. When you and Blake split, you weren't coherent about anything. He was an extremely articulate and coherent person - he knew what he wanted, he knew why he was doing it, and he didn't see why people should have a problem with it. Now that I am coherent, I can recount our morning. Sitting up slowly, she pushed hair out of her eyes and glanced sleepily around, her eyes taking in the room a little more thoroughly now that she was coherent. Thanks to the fellow rider who saw the whole thing, pulled over, and made sure I was coherent. In fact I was more coherent about the general approach than I can remember being. The leader visited the EU today and showed that he is as coherent now as he ever was. Although he had a few drinks he was sufficiently coherent to arrange a taxi home. The thief was sober, coherent and, although clearly dangerous, seemingly intelligent. You may have it wrong and backward, but at least you are coherent, unlike most on this thread. But now that I'm finally coherent enough to write again, I went ahead and updated. She was here, in the moment, and she was totally coherent and rational. By then, he was coherent enough to be able to listen to the twin's conversation. A military source at Central Command said: ‘She was coherent and was able to give her rescuers the thumbs up.’ Luckily, as drunk as we were, we were still coherent enough to bat away the guy's sales pitch with enough authority to be allowed to leave. When she does catch what we are talking about she is very coherent and has intelligent comments to make. 2Forming a unified whole. the arts could be systematized into one coherent body of knowledge Example sentencesExamples It also developed a coherent body of theological and administrative opinion. Think security and the idea of assembling a coherent body of knowledge on a terrorist organisation. With this work, he achieves a rare artistic testimony as well as a new step in the very coherent body of his work. We see the dichotomies, the wealth of paradox and the inherent contradictions but fail to see what it is that unifies them all into a coherent whole in their minds. The proposed national body would be a coherent group to represent the needs of all female sports in Ireland. One is called on constantly to articulate and represent one's practice as a coherent body of work. There is no coherent body of EC or EU law governing the position of third-country nationals. Thus both sources must be read with the knowledge that a complete and coherent truth can never be fully retrieved. It does not have the centralisation of religious authority which can both unify people around a coherent set of values and prevent the emergence of extremes. The result is an ongoing series of autobiographical films, one of the most coherent bodies of work in the cinema. They often present a body of traditions and beliefs as coherent and timeless. Here we have a coherent body of knowledge, which Lyndon LaRouche has developed. We also have a coherent body of activists who are committed to changing the world. One of the most visually coherent and imposing bodies of work I did see was that produced by a fourth year sculpture student. All of these elements recur again and again, helping to create the impression of a body of work that is remarkably coherent. Tattoos done in this manner - without a coherent plan for the body as a whole - are ‘guy’ tattoos. Indeed, the schema serves to structure the knowledge of the instances, bringing them together into a coherent network. As a collection of works the exhibition doesn't seem very unified, it doesn't have a coherent visual voice. The prize will honor a visually compelling, coherent body of work that bears witness and has integrity of purpose. Consequently we have a relatively coherent body of knowledge about ancient Hawaiian healing practices. Synonyms unified, united, consolidated, amalgamated, joined, combined, merged, fused, blended, meshed, homogeneous, homogenized, mutually dependent, assimilated, cohesive, concatenated 3Physics (of waves) having a constant phase relationship. Example sentencesExamples There are of course lasers with wavelengths in the infrared, masers that emit coherent microwaves, and even x-ray lasers. It can be seen most clearly when a coherent wave is split into two partial waves that are then recombined to produce a pattern of bright and dark fringes on a screen. In other words, the phase of the coherent matter wave is well defined but the number of atoms fluctuates from site to site. A laser is the generator of intense coherent, electromagnetic radiation in the spectral range between ultra violet and infrared wavelengths. A laser differs from ordinary light because it is coherent light, but that is pretty much irrelevant for propulsion purposes. Origin Mid 16th century (in the sense 'logically related to'): from Latin cohaerent- 'sticking together', from the verb cohaerere (see cohere). Rhymes adherent, sederunt Definition of coherent in US English: coherent adjectiveˌkoʊˈhɪrəntˌkōˈhirənt 1(of an argument, theory, or policy) logical and consistent. they failed to develop a coherent economic strategy Example sentencesExamples Well, that's not the most coherent argument I've ever put together in favor of the educational system, but you get the idea. Lacking a clear or coherent argument, the book also lacks anything in the way of vivid anecdote. For example, I doubt that I possess a single, coherent theory of law. It is not surprising that his administration has failed to produce a systematic, coherent policy on religion. Their industrial policies are coherent and substantial. I fail to see how that provides a logical, coherent argument for the increase. Today the politics of these countries become more and more populist: appeals to public opinion rather than to reasoned concepts of coherent policy. I can think of a lot of reasons why this is neither a good nor a coherent policy. The district attorney just says there simply isn't enough time to do what he needs to do in order to present a coherent argument tomorrow during this hearing. He can put together a coherent policy programme which emphasises sensible reform of the public services and the tax and benefits system. Somehow out of these nearly antipodal situations a coherent policy of managerial control will have to be fashioned. In this important new book, he suggests that what is lacking is a coherent theory of markets as social institutions. It presents a clear and coherent argument that applies historical analysis to a significant contemporary issue. His choice of words has occasionally been politically naive, but his views are sincerely held and his arguments are internally coherent. Neither plaintiff can articulate any coherent argument, and the case ought to have been tossed out in an instant. These constitute not a coherent theory of history or of liberty but a series of insights that continue to enlighten and inspire. There is little evidence the party is developing a coherent argument that would persuade voters the centre-right is attractive or even relevant to them. The human mind is much more capable of integrating images, logos, and short sound bites than it is at comprehending any sort of coherent, logical argument. In dealing with the above topics various questions emerge: Are coherent theories and testable hypotheses presented? If we can't construct coherent policies to combat crime effectively, let's just pay it protection money. Synonyms logical, reasoned, reasonable, well reasoned, rational, sound, cogent 1.1 (of a person) able to speak clearly and logically. she was lucid and coherent and did not appear to be injured Example sentencesExamples Come on Chris, go study your contraception pamphlets and military briefing papers and come back when you're coherent. He was an extremely articulate and coherent person - he knew what he wanted, he knew why he was doing it, and he didn't see why people should have a problem with it. By then, he was coherent enough to be able to listen to the twin's conversation. Thanks to the fellow rider who saw the whole thing, pulled over, and made sure I was coherent. In fact I was more coherent about the general approach than I can remember being. Now that I am coherent, I can recount our morning. Sitting up slowly, she pushed hair out of her eyes and glanced sleepily around, her eyes taking in the room a little more thoroughly now that she was coherent. You may have it wrong and backward, but at least you are coherent, unlike most on this thread. When she does catch what we are talking about she is very coherent and has intelligent comments to make. When he takes his prescription he is not coherent. Luckily, as drunk as we were, we were still coherent enough to bat away the guy's sales pitch with enough authority to be allowed to leave. She was here, in the moment, and she was totally coherent and rational. I'm not coherent and relevant at the best of times, if I'm dead-on-my-feet tired it's even worse. When you and Blake split, you weren't coherent about anything. The thief was sober, coherent and, although clearly dangerous, seemingly intelligent. She only had a mild concussion and she was coherent and trying to get up and about - otherwise, not a scratch on her. The leader visited the EU today and showed that he is as coherent now as he ever was. But now that I'm finally coherent enough to write again, I went ahead and updated. Although he had a few drinks he was sufficiently coherent to arrange a taxi home. A military source at Central Command said: ‘She was coherent and was able to give her rescuers the thumbs up.’ 2United as or forming a whole. divided into a number of geographically coherent kingdoms Example sentencesExamples It does not have the centralisation of religious authority which can both unify people around a coherent set of values and prevent the emergence of extremes. Think security and the idea of assembling a coherent body of knowledge on a terrorist organisation. One of the most visually coherent and imposing bodies of work I did see was that produced by a fourth year sculpture student. One is called on constantly to articulate and represent one's practice as a coherent body of work. Here we have a coherent body of knowledge, which Lyndon LaRouche has developed. The result is an ongoing series of autobiographical films, one of the most coherent bodies of work in the cinema. Tattoos done in this manner - without a coherent plan for the body as a whole - are ‘guy’ tattoos. All of these elements recur again and again, helping to create the impression of a body of work that is remarkably coherent. The proposed national body would be a coherent group to represent the needs of all female sports in Ireland. They often present a body of traditions and beliefs as coherent and timeless. With this work, he achieves a rare artistic testimony as well as a new step in the very coherent body of his work. Thus both sources must be read with the knowledge that a complete and coherent truth can never be fully retrieved. There is no coherent body of EC or EU law governing the position of third-country nationals. Consequently we have a relatively coherent body of knowledge about ancient Hawaiian healing practices. We also have a coherent body of activists who are committed to changing the world. Indeed, the schema serves to structure the knowledge of the instances, bringing them together into a coherent network. It also developed a coherent body of theological and administrative opinion. The prize will honor a visually compelling, coherent body of work that bears witness and has integrity of purpose. We see the dichotomies, the wealth of paradox and the inherent contradictions but fail to see what it is that unifies them all into a coherent whole in their minds. As a collection of works the exhibition doesn't seem very unified, it doesn't have a coherent visual voice. Synonyms unified, united, consolidated, amalgamated, joined, combined, merged, fused, blended, meshed, homogeneous, homogenized, mutually dependent, assimilated, cohesive, concatenated 3Physics (of waves) having a constant phase relationship. Example sentencesExamples In other words, the phase of the coherent matter wave is well defined but the number of atoms fluctuates from site to site. A laser is the generator of intense coherent, electromagnetic radiation in the spectral range between ultra violet and infrared wavelengths. It can be seen most clearly when a coherent wave is split into two partial waves that are then recombined to produce a pattern of bright and dark fringes on a screen. A laser differs from ordinary light because it is coherent light, but that is pretty much irrelevant for propulsion purposes. There are of course lasers with wavelengths in the infrared, masers that emit coherent microwaves, and even x-ray lasers. Origin Mid 16th century (in the sense ‘logically related to’): from Latin cohaerent- ‘sticking together’, from the verb cohaerere (see cohere).
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