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单词 similarity
释义

similarity


sim·i·lar·i·ty

S0414800 (sĭm′ə-lăr′ĭ-tē)n. pl. sim·i·lar·i·ties 1. The quality or condition of being similar; resemblance.2. A corresponding aspect or feature; equivalence: a similarity of writing styles.

sim•i•lar•i•ty

(ˌsɪm əˈlær ɪ ti)

n., pl. -ties. 1. the state of being similar; likeness; resemblance. 2. an aspect or feature like or resembling another: similarities in their behavior. [1655–65]

similarity

  • eye rhyme - A similarity between words in spelling but not pronunciation—like dove and move.
  • icon - Originally a "simile" in rhetoric; its etymological idea is of "similarity," from Greek eikon, "likeness, similarity."
  • goose pimples - Named for their similarity to the skin of a plucked goose.
  • lens - From Latin for "lentil," because of the similarity in shape.

similarity

a point, feature, or detail in which two items are alike.See also: Agreement

Similarity

 

See Also: DISSIMILARITIES

  1. As alike as buttons on a shirt —Anon
  2. (We’re almost) as alike as eggs —William Shakespeare

    Similes about things which tend to be uniform have and continue to inspire many “As alike as” comparisons. The other famous author most frequently credited for the “Alike as eggs” simile is Miguel de Cervantes with “As alike … as one egg is like another” from Don Quixote.

  3. As alike … as grapes in a cluster —Edna Ferber
  4. As alike as my finger is to my finger —William Shakespeare
  5. As alike as two drops of water —James Miller

    This simile has become so common that no “As alike” introduction is needed, as illustrated by, “Just like two drops of water,” used by Isaac Bashevis Singer in The Family Moskat to describe the resemblance between a mother and son.

  6. As alike as two peas in a pod —Jack London

    Even in an age where more peas make their way to the dinner table from frozen food packages than pods, this now commonplace expression shows no sign of diminishing use. The form shown here has supplanted older and now little used versions such as, “Alike as two peas to one another” and, “As like each other as two peas.”

  7. As like a hand to another hand —Robert Browning
  8. As like as like can be —William Wordsworth
  9. As like as rain to water —William Shakespeare
  10. As undifferentiable … as ballots in a ballot box —Richard Ford

    The simile as used by Ford in The Sportswriter describes modern parents whose lives are so lacking in mystery and difference that they are undifferentiated from their children.

  11. [Pencilled doodles] identical as tracings —Margaret Millar
  12. [TV commentators] looked alike as bowling pins —T. Coraghessan Boyle
  13. Looked as alike … as hair pins —Loren D. Estleman
  14. Looked as much alike as blackbirds on a fence —John Yount
  15. Resembled each other like waves —Gustave Flaubert
  16. They’re like as a row of pins —Rudyard Kipling

Similarity

 

(See also EQUIVALENCE.)

chip off the old block A son who resembles his father in appearance or behavior. The expression is reputed to have been coined by Edmund Burke (1729-97) addressing the British House of Commons, speaking in reference to Pitt the Younger. However, a citation from the OED dates a similar phrase from the early 1.7th century.

Am not I a child of the same Adam … a chip of the same block, with him? (bp. Robert Sanderson, Sermons, 1627)

Chip off the old block is the modern form of the phrase; chip of the old or same block is the original. The allusion is obvious. A chip has the same characteristics as the block from which it comes. Any connection with “family tree” is amusing but doubtful.

copycat An imitator; one who copies another’s style or work. The term has been in use since the turn of the century.

A good architect was not a “copy-cat;” nor did he kick over the traces. (Oxford Times, April 24, 1931)

Copycat is occasionally used as a verb meaning ‘to imitate.’

follow in the footsteps To emulate; to follow the example or guidance of another; to imitate the performance of a predecessor. The implication here is that in order to be like a respected and admired person, one must follow his example, that is, follow in the figurative footsteps he took along his pathway to success.

You are obliged to follow the footsteps of your predecessors in virtue. (Complaint of Scotland, 1549)

A variation is walk in the footsteps. A similar expression dealing figuratively with the feet of a revered person is big or large shoes to fill, implying that substantial effort will be required to meet the standards established by a predecessor.

follow suit To imitate or emulate; to act in the same manner as one’s predecessor. This term is rooted in card games such as bridge or setback where rules dictate that, if possible, a participant must follow suit, that is, play a card of the same suit as that which was led.

get on the bandwagon To support a particular candidate or cause, usually when success seems assured and no great risk is entailed; often climb aboard the bandwagon. In the era of political barnstorming, bandwagons carried the parade musicians. Theory has it that as candidate-carrying wagons moved through a district, local politicos would literally jump aboard those of favorite candidates, thus publicly endorsing them. The figurative use of bandwagon dates from the early 1900s:

Many of those Democrats … who rushed onto the Bryan band-wagon … will now be seen crawling over the tailboard. (New York Evening Post, September 4, 1906)

Though still most commonly associated with politics, bandwagon is used in other contexts as well:

The next serious outbreak was a three-cornered affair between the gangs of Joe Saltis (who had recently hopped on the Capone band-wagon) and “Dingbat” O’Berta. (Arthur B. Reeve, The Golden Age of Crime, 1931)

a man of my kidney A person whose character and disposition are similar to one’s own. In this expression, kidney carries its figurative meaning of nature, temperament, or constitution. The phrase appeared in Shakespeare’s Merry Wives of Windsor:

Think of that, a man of my kidney; … that is as subject to heat as butter. (III, v)

This figurative use of kidney sometimes refers to kind or type of person.

It was a large and rather miscellaneous party, but all of the right kidney. (Benjamin Disraeli, Endymion, 1880)

play the ape To imitate, to copy someone’s style, to counterfeit. This expression alludes to the way apes mimic the expressions and gestures of human beings. It appeared in print by the 1500s. Robert Louis Stevenson popularized the expression in his Memories and Portraits (1882):

I have played the sedulous ape to Hazlitt, to Lamb, to Wordsworth, to Sir Thomas Browne…. That, like it or not, is the way to learn to write.

ringer See PRETENSE.

spit and image The exact likeness, image, or counterpart; a duplicate, a double; a chip off the old block. This expression implies that two people are so much alike (usually in appearance) that figuratively, at least, one could conceivably have been spit from the mouth of the other, an interesting concept especially in light of recent breakthroughs in the fields of genetics and cloning. Since an earlier expression was the very spit, image serves to emphasize the similarity in appearance.

She’s like the poor lady that’s dead and gone, the spit an’ image she is. (Egerton Castle, The Light of Scartney, 1895)

Variations are spitting image and spitten image.

take a page out of [someone’s] book To follow another’s example, to copy or imitate someone else; also to take a leaf out of [someone’s] book. The allusion is to literary plagiarism, but the expression is now employed in a positive sense only.

It is a great pity that some of our instructors in more important matters … will not take a leaf out of the same book. (Thomas Hughes, Tom Brown at Oxford, 1861)

tarred with the same brush All having the same shortcomings; each as guilty as the next. This expression derives from the practice of marking all sheep of the same flock with a common mark made by a brush dipped in tar. Some say the mark was for identification only; others claim it was to protect the sheep against ticks, or to treat sores. A variant of this expression is painted with the same brush. These expressions usually imply that what distinguishes a given group of individuals is their shared guilt or their similar negative characteristics.

Tweedledum and Tweedledee So similar as to be indistinguishable or undifferentiated. Though the names were popularized by the well-known pair in Lewis Carroll’s Through the Looking-Glass (1871), the terms were coined in 1725 by John Byrom, who used them in a satirical poem about quarreling musicians. In doing so, he was obviously playing on the meaning of tweedle ‘to produce shrill musical sounds.’

Strange all this Difference should be,
Twixt Tweedle-dum and
Tweedle-dee!
(Handel and Bononcini)

Even before Carroll’s fictional creations were so christened, the terms were used figuratively in contexts concerning insignificant differences, petty squabbles, nitpicking arguments, etc., such as the following later application:

A … war of words over tweedledees of subtle doctrinal differences and tweedledums of Church polity. (Church Endeavor Times, August, 1911)

Thesaurus
Noun1.similarity - the quality of being similarsameness - the quality of being alike; "sameness of purpose kept them together"approximation - the quality of coming near to identity (especially close in quantity)homogeny - (biology) similarity because of common evolutionhomology - the quality of being similar or corresponding in position or value or structure or functionhomomorphism, homomorphy - similarity of formisomorphism, isomorphy - (biology) similarity or identity of form or shape or structurealikeness, likeness, similitude - similarity in appearance or character or nature between persons or things; "man created God in his own likeness"parallelism, correspondence - similarity by virtue of correspondinguniformness, uniformity - the quality of lacking diversity or variation (even to the point of boredom)approach - a close approximation; "the nearest approach to genius"sort - an approximate definition or example; "she wore a sort of magenta dress"; "she served a creamy sort of dessert thing"analog, analogue, parallel - something having the property of being analogous to something elsedissimilarity, unsimilarity - the quality of being dissimilar
2.similarity - a Gestalt principle of organization holding that (other things being equal) parts of a stimulus field that are similar to each other tend to be perceived as belonging together as a unitlaw of similarityGestalt law of organization, Gestalt principle of organization - a principle of Gestalt psychology that identifies factors leading to particular forms of perceptual organization

similarity

noun resemblance, likeness, sameness, agreement, relation, correspondence, analogy, affinity, closeness, kinship, concordance, congruence, comparability, point of comparison, similitude, indistinguishability the astonishing similarity between my brother and my eldest son
difference, dissimilarity, disparity, variety, variation, diversity, disagreement, discrepancy, antithesis, heterogeneity, discordance, contradictoriness, irreconcilability, incomparability, unalikenessProverbs
"Birds of a feather flock together"

similarity

nounThe quality or state of being alike:affinity, alikeness, analogy, comparison, correspondence, likeness, parallelism, resemblance, similitude, uniformity, uniformness.
Translations
相似相似之处

similar

(ˈsimilə) adjective (often with to) alike in many (often most) ways. My house is similar to yours; Our jobs are similar. 相似的 相似的simiˈlarity (-ˈlӕ-) (plural simiˈlarities) noun 相似 相似ˈsimilarly adverb in the same, or a similar, way. 相似(地) 相似(地)

similarity

相似之处zhCN

Similarity


Similarity

 

a concept in geometry. Geometric figures are said to be similar if they are identical in shape, regardless of whether they are identical in size. The figures F1 and F2 are similar if between their points a one-to-one correspondence can be established such that the ratio of the distances between any two pairs of corresponding points of F1 and F2 a constant k. This constant is called the similarity factor. The angles between corresponding lines of similar figures are equal. Thus, in Figure 1 ∠B1A11C1 = ∠B2A2C2 = ϕ. The ratio of the areas of bounded similar figures is equal to the square of the similarity factor, and the ratio of the volumes of similar solids is equal to the cube of the similarity factor.

Figure 1

A geometric transformation of the plane (or of space) such that all figures in the plane are transformed into similar figures with the same ratio of similitude is called a similarity transformation, which is a special case of an affine transformation. The set of all similarity transformations of the plane or of space forms a group. Any similarity transformation can be represented as the successive application of a homothetic transformation and a proper or improper motion.

The concept of similarity and similarity transformations are used in such engineering applications of geometry as modeling and drawing. For example, the operation of the pantograph is based on the concept of similarity.

similarity


Related to similarity: Similar triangles, Similarity transformation
  • noun

Synonyms for similarity

noun resemblance

Synonyms

  • resemblance
  • likeness
  • sameness
  • agreement
  • relation
  • correspondence
  • analogy
  • affinity
  • closeness
  • kinship
  • concordance
  • congruence
  • comparability
  • point of comparison
  • similitude
  • indistinguishability

Antonyms

  • difference
  • dissimilarity
  • disparity
  • variety
  • variation
  • diversity
  • disagreement
  • discrepancy
  • antithesis
  • heterogeneity
  • discordance
  • contradictoriness
  • irreconcilability
  • incomparability
  • unalikeness

Synonyms for similarity

noun the quality or state of being alike

Synonyms

  • affinity
  • alikeness
  • analogy
  • comparison
  • correspondence
  • likeness
  • parallelism
  • resemblance
  • similitude
  • uniformity
  • uniformness

Synonyms for similarity

noun the quality of being similar

Related Words

  • sameness
  • approximation
  • homogeny
  • homology
  • homomorphism
  • homomorphy
  • isomorphism
  • isomorphy
  • alikeness
  • likeness
  • similitude
  • parallelism
  • correspondence
  • uniformness
  • uniformity
  • approach
  • sort
  • analog
  • analogue
  • parallel

Antonyms

  • dissimilarity
  • unsimilarity

noun a Gestalt principle of organization holding that (other things being equal) parts of a stimulus field that are similar to each other tend to be perceived as belonging together as a unit

Synonyms

  • law of similarity

Related Words

  • Gestalt law of organization
  • Gestalt principle of organization
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