echo

[ ek-oh ]

/ ˈɛk oʊ /

SEE SYNONYMS FOR echo ON THESAURUS.COM

noun, plural ech·oes.

a repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface.

a sound heard again near its source after being reflected.

any repetition or close imitation, as of the ideas or opinions of another.

a person who reflects or imitates another.

a sympathetic or identical response, as to sentiments expressed.

a lingering trace or effect.

(initial capital letter)Classical Mythology. a mountain nymph who pined away for love of the beautiful youth Narcissus until only her voice remained.

Cards. the play of a high card and then a low card in the suit led by one's partner as a signal to continue leading the suit, as in bridge, or to lead a trump, as in whist.

Electronics. the reflection of a radio wave, as in radar or the like.

(initial capital letter)U.S. Aerospace. one of an early series of inflatable passive communications satellites.

a word used in communications to represent the letter E.

verb (used without object), ech·oed, ech·o·ing.

to emit an echo; resound with an echo: The hall echoed with cheers.

to be repeated by or as by an echo: Shouts echoed through the street.

verb (used with object), ech·oed, ech·o·ing.

to repeat by or as by an echo; emit an echo of: The hall echoes the faintest sounds.

to repeat or imitate the words, sentiments, etc., of (a person).

to repeat or imitate (words, sentiments, etc.).

Origin of echo

1300–50; Middle English ecco<Latin ēchō<Greek, akin to ēchḗ sound

SYNONYMS FOR echo

12, 13 ring, reverberate.

SEE SYNONYMS FOR echo ON THESAURUS.COM

OTHER WORDS FROM echo

ech·o·er, nounech·o·less, adjectiveoutecho, verb (used with object), out·ech·oed, out·ech·o·ing.sub·ech·o, noun, plural sub·ech·oes.

un·ech·oed, adjectiveun·ech·o·ing, adjective

Words nearby echo

echinulate, echinus, echium, echiurid, echiuroid, echo, echoacousia, echoaortography, echo boomer, echocardiogram, echocardiograph

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for echo

The discovery of coronavirus in the bathroom of an unoccupied apartment in Guangzhou, China, suggests the airborne pathogen may have wafted upwards through drain pipes, an echo of a large SARS outbreak in Hong Kong 17 years ago.
Scientists found coronavirus in a long-vacant apartment. A possible spreader? ‘Fecal aerosol plumes’|Claire Zillman, reporter|August 27, 2020|Fortune
Between 2011 and 2015, NASA’s MESSENGER spacecraft mapped the craters of perpetual darkness, and confirmed that they match up with the pattern of radar echoes.
These Images Expose the Dark Side of the Solar System - Issue 89: The Dark Side|Corey S. Powell|August 26, 2020|Nautilus
This could exacerbate the problem Eli Pariser pointed out in The Filter Bubble years ago—that is, the tendency of the modern internet to shunt users into echo chambers where they are shielded from contrary views.
The Anonymous Culture Cops of the Internet - Facts So Romantic|Jesse Singal|August 12, 2020|Nautilus
Around the world, seismometers don’t just pick up loud echoes of earthquakes rumbling through the subsurface.
COVID-19 lockdowns dramatically reduced seismic noise from humans|Carolyn Gramling|July 23, 2020|Science News

Then, they listen for the echoes from the sound waves bouncing off objects in their surroundings.
Scientists Say: Echolocation|Carolyn Wilke|April 27, 2020|Science News For Students
I hope I can be forgiven for finding this echo more than merely coincidental.
Meet Moses the Swashbuckling Israelite|James Romm|December 14, 2014|DAILY BEAST
Later in an Echo of Moscow interview Kadyrov said that the operation would be over in 20 minutes.
Fierce Fighting in Grozny Raises Specter of ISIS Influence in Russia|Anna Nemtsova|December 4, 2014|DAILY BEAST
Does Venediktov have any hope that Echo of Moscow will survive this battle?
The Kremlin Is Killing Echo of Moscow, Russia’s Last Independent Radio Station|Anna Nemtsova|November 7, 2014|DAILY BEAST
Echo has documented all the crises of the post-Perestroika era, wars, conflicts, scandals, and protests.
The Kremlin Is Killing Echo of Moscow, Russia’s Last Independent Radio Station|Anna Nemtsova|November 7, 2014|DAILY BEAST
To the millions of Russians who listen to Echo both on the radio and online, the idea of life without Echo is unthinkable.
The Kremlin Is Killing Echo of Moscow, Russia’s Last Independent Radio Station|Anna Nemtsova|November 7, 2014|DAILY BEAST
This the Echo, with very little hesitation, repeated in duplicate as usual.
Punchinello, Vol. 1, No. 26, September 24, 1870|Various
She blushed at the snare the echo of his words had led her into.
Mr. Claghorn's Daughter|Hilary Trent
Gud reached over and picked up the nothing which he had thought was the echo of a voice.
The Book of Gud|Dan Spain
On they walked upon the gloomy track, the silence only broken by the echo of their own footfalls.
Jack Harkaway and His Son's Escape From the Brigand's of Greece|Bracebridge Hemyng
He called the names first of one, and then another, but the only answer he received was the echo of his own voice.
Fire Cloud|Samuel Fletcher

British Dictionary definitions for echo (1 of 4)

echo

/ (ˈɛkəʊ) /

noun plural -oes

the reflection of sound or other radiation by a reflecting medium, esp a solid object
the sound so reflected

a repetition or imitation, esp an unoriginal reproduction of another's opinions

something that evokes memories, esp of a particular style or era

(sometimes plural) an effect that continues after the original cause has disappeared; repercussionthe echoes of the French Revolution

a person who copies another, esp one who obsequiously agrees with another's opinions

the signal reflected by a radar target
the trace produced by such a signal on a radar screen

the repetition of certain sounds or syllables in a verse line

the quiet repetition of a musical phrase

Also called: echo organ, echo stop a manual or stop on an organ that controls a set of quiet pipes that give the illusion of sounding at a distance

an electronic effect in recorded music that adds vibration or resonance

verb -oes, -oing or -oed

to resound or cause to resound with an echothe cave echoed their shouts

(intr) (of sounds) to repeat or resound by echoes; reverberate

(tr) (of persons) to repeat (words, opinions, etc), in imitation, agreement, or flattery

(tr) (of things) to resemble or imitate (another style, earlier model, etc)

(tr) (of a computer) to display (a character) on the screen of a visual display unit as a response to receiving that character from a keyboard entry

Derived forms of echo

echoing, adjectiveecholess, adjectiveecho-like, adjective

Word Origin for echo

C14: via Latin from Greek ēkhō; related to Greek ēkhē sound

British Dictionary definitions for echo (2 of 4)

Echo¹

/ (ˈɛkəʊ) /

noun

either of two US passive communications satellites, the first of which was launched in 1960

British Dictionary definitions for echo (3 of 4)

Echo²

/ (ˈɛkəʊ) /

noun

Greek myth a nymph who, spurned by Narcissus, pined away until only her voice remained

British Dictionary definitions for echo (4 of 4)

Echo³

/ (ˈɛkəʊ) /

noun

communications code word for the letter e

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for echo

echo

[ ĕk′ō ]

A repeated sound that is caused by the reflection of sound waves from a surface. The sound is heard more than once because of the time difference between the initial production of the sound waves and their return from the reflecting surface.

A wave that carries a signal and is reflected. Echoes of radio signals (carried by electromagnetic waves) are used in radar to detect the location or velocity of distant objects.

单词	echo
释义	echo [ ek-oh ] / ˈɛk oʊ / SEE SYNONYMS FOR echo ON THESAURUS.COM noun, plural ech·oes. a repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface. a sound heard again near its source after being reflected. any repetition or close imitation, as of the ideas or opinions of another. a person who reflects or imitates another. a sympathetic or identical response, as to sentiments expressed. a lingering trace or effect. (initial capital letter)Classical Mythology. a mountain nymph who pined away for love of the beautiful youth Narcissus until only her voice remained. Cards. the play of a high card and then a low card in the suit led by one's partner as a signal to continue leading the suit, as in bridge, or to lead a trump, as in whist. Electronics. the reflection of a radio wave, as in radar or the like. (initial capital letter)U.S. Aerospace. one of an early series of inflatable passive communications satellites. a word used in communications to represent the letter E. verb (used without object), ech·oed, ech·o·ing. to emit an echo; resound with an echo: The hall echoed with cheers. to be repeated by or as by an echo: Shouts echoed through the street. verb (used with object), ech·oed, ech·o·ing. to repeat by or as by an echo; emit an echo of: The hall echoes the faintest sounds. to repeat or imitate the words, sentiments, etc., of (a person). to repeat or imitate (words, sentiments, etc.). Origin of echo 1300–50; Middle English ecco<Latin ēchō<Greek, akin to ēchḗ sound SYNONYMS FOR echo 12, 13 ring, reverberate. SEE SYNONYMS FOR echo ON THESAURUS.COM OTHER WORDS FROM echo ech·o·er, nounech·o·less, adjectiveoutecho, verb (used with object), out·ech·oed, out·ech·o·ing.sub·ech·o, noun, plural sub·ech·oes. un·ech·oed, adjectiveun·ech·o·ing, adjective Words nearby echo echinulate, echinus, echium, echiurid, echiuroid, echo, echoacousia, echoaortography, echo boomer, echocardiogram, echocardiograph Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for echo The discovery of coronavirus in the bathroom of an unoccupied apartment in Guangzhou, China, suggests the airborne pathogen may have wafted upwards through drain pipes, an echo of a large SARS outbreak in Hong Kong 17 years ago. Scientists found coronavirus in a long-vacant apartment. A possible spreader? ‘Fecal aerosol plumes’\|Claire Zillman, reporter\|August 27, 2020\|Fortune Between 2011 and 2015, NASA’s MESSENGER spacecraft mapped the craters of perpetual darkness, and confirmed that they match up with the pattern of radar echoes. These Images Expose the Dark Side of the Solar System - Issue 89: The Dark Side\|Corey S. Powell\|August 26, 2020\|Nautilus This could exacerbate the problem Eli Pariser pointed out in The Filter Bubble years ago—that is, the tendency of the modern internet to shunt users into echo chambers where they are shielded from contrary views. The Anonymous Culture Cops of the Internet - Facts So Romantic\|Jesse Singal\|August 12, 2020\|Nautilus Around the world, seismometers don’t just pick up loud echoes of earthquakes rumbling through the subsurface. COVID-19 lockdowns dramatically reduced seismic noise from humans\|Carolyn Gramling\|July 23, 2020\|Science News Then, they listen for the echoes from the sound waves bouncing off objects in their surroundings. Scientists Say: Echolocation\|Carolyn Wilke\|April 27, 2020\|Science News For Students I hope I can be forgiven for finding this echo more than merely coincidental. Meet Moses the Swashbuckling Israelite\|James Romm\|December 14, 2014\|DAILY BEAST Later in an Echo of Moscow interview Kadyrov said that the operation would be over in 20 minutes. Fierce Fighting in Grozny Raises Specter of ISIS Influence in Russia\|Anna Nemtsova\|December 4, 2014\|DAILY BEAST Does Venediktov have any hope that Echo of Moscow will survive this battle? The Kremlin Is Killing Echo of Moscow, Russia’s Last Independent Radio Station\|Anna Nemtsova\|November 7, 2014\|DAILY BEAST Echo has documented all the crises of the post-Perestroika era, wars, conflicts, scandals, and protests. The Kremlin Is Killing Echo of Moscow, Russia’s Last Independent Radio Station\|Anna Nemtsova\|November 7, 2014\|DAILY BEAST To the millions of Russians who listen to Echo both on the radio and online, the idea of life without Echo is unthinkable. The Kremlin Is Killing Echo of Moscow, Russia’s Last Independent Radio Station\|Anna Nemtsova\|November 7, 2014\|DAILY BEAST This the Echo, with very little hesitation, repeated in duplicate as usual. Punchinello, Vol. 1, No. 26, September 24, 1870\|Various She blushed at the snare the echo of his words had led her into. Mr. Claghorn's Daughter\|Hilary Trent Gud reached over and picked up the nothing which he had thought was the echo of a voice. The Book of Gud\|Dan Spain On they walked upon the gloomy track, the silence only broken by the echo of their own footfalls. Jack Harkaway and His Son's Escape From the Brigand's of Greece\|Bracebridge Hemyng He called the names first of one, and then another, but the only answer he received was the echo of his own voice. Fire Cloud\|Samuel Fletcher British Dictionary definitions for echo (1 of 4) echo / (ˈɛkəʊ) / noun plural -oes the reflection of sound or other radiation by a reflecting medium, esp a solid object the sound so reflected a repetition or imitation, esp an unoriginal reproduction of another's opinions something that evokes memories, esp of a particular style or era (sometimes plural) an effect that continues after the original cause has disappeared; repercussionthe echoes of the French Revolution a person who copies another, esp one who obsequiously agrees with another's opinions the signal reflected by a radar target the trace produced by such a signal on a radar screen the repetition of certain sounds or syllables in a verse line the quiet repetition of a musical phrase Also called: echo organ, echo stop a manual or stop on an organ that controls a set of quiet pipes that give the illusion of sounding at a distance an electronic effect in recorded music that adds vibration or resonance verb -oes, -oing or -oed to resound or cause to resound with an echothe cave echoed their shouts (intr) (of sounds) to repeat or resound by echoes; reverberate (tr) (of persons) to repeat (words, opinions, etc), in imitation, agreement, or flattery (tr) (of things) to resemble or imitate (another style, earlier model, etc) (tr) (of a computer) to display (a character) on the screen of a visual display unit as a response to receiving that character from a keyboard entry Derived forms of echo echoing, adjectiveecholess, adjectiveecho-like, adjective Word Origin for echo C14: via Latin from Greek ēkhō; related to Greek ēkhē sound British Dictionary definitions for echo (2 of 4) Echo¹ / (ˈɛkəʊ) / noun either of two US passive communications satellites, the first of which was launched in 1960 British Dictionary definitions for echo (3 of 4) Echo² / (ˈɛkəʊ) / noun Greek myth a nymph who, spurned by Narcissus, pined away until only her voice remained British Dictionary definitions for echo (4 of 4) Echo³ / (ˈɛkəʊ) / noun communications code word for the letter e Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to echo imitation, reverberation, repetition, reflection, parallel, respond, reiterate, recall, resound, reflect, mirror, reverberate, ring, ringing, rebound, reiteration, repercussion, reproduction, answer, reply Scientific definitions for echo echo [ ĕk′ō ] A repeated sound that is caused by the reflection of sound waves from a surface. The sound is heard more than once because of the time difference between the initial production of the sound waves and their return from the reflecting surface. A wave that carries a signal and is reflected. Echoes of radio signals (carried by electromagnetic waves) are used in radar to detect the location or velocity of distant objects. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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echo

noun, plural ech·oes.

verb (used without object), ech·oed, ech·o·ing.

verb (used with object), ech·oed, ech·o·ing.

Origin of echo

SYNONYMS FOR echo

OTHER WORDS FROM echo

Words nearby echo

Example sentences from the Web for echo

British Dictionary definitions for echo (1 of 4)

noun plural -oes

verb -oes, -oing or -oed

Derived forms of echo

Word Origin for echo

British Dictionary definitions for echo (2 of 4)

noun

British Dictionary definitions for echo (3 of 4)

noun

British Dictionary definitions for echo (4 of 4)

noun

Words related to echo

Scientific definitions for echo