Background for echo

echo

/ˈɛkəʊ/ /ˈɛkoʊ/

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noun

A reflected sound that is heard again by its initial observer.

Examples :

"The student's shouted question created an echo in the empty hallway. "

sound physics technology environment communication

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noun

An utterance repeating what has just been said.

Examples :

"My teacher's instructions were clear, but there was an echo of confusion in the classroom. "

sound language communication

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noun

A device in verse in which a line ends with a word which recalls the sound of the last word of the preceding line.

Examples :

"The poem used an echo, repeating the sound of "morning" at the end of the second line after "waking." "

literature language writing style word music

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noun

Sympathetic recognition; response; answer.

Examples :

"Her suggestion received a strong echo from the other team members. "

communication sound language literature media

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noun

The displaying on the command line of the command that has just been executed.

Examples :

"The echo on the computer screen showed the command I typed to save the document. "

computing technology communication technical

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noun

The letter E in the ICAO spelling alphabet.

Examples :

"My friend asked me to spell my name, and I said, "My name is Alex, that's A-L-E-X, 'echo' for E." "

language communication word phonetics

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noun

(whist) A signal, played in the same manner as a trump signal, made by a player who holds four or more trumps (or, as played by some, exactly three trumps) and whose partner has led trumps or signalled for trumps.

Examples :

"The bridge player gave an echo, signaling that they held four trumps and their partner had led trumps. "

game sport signal

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noun

(whist) A signal showing the number held of a plain suit when a high card in that suit is led by one's partner.

Examples :

"During the bridge game, the "echo" was the 4 in hearts, showing that my partner held the queen. "

game sport signal

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verb

(of a sound or sound waves) To reflect off a surface and return.

Examples :

"The teacher's voice echoed through the empty classroom. "

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verb

To reflect back (a sound).

Examples :

"The teacher's voice echoed through the empty classroom. "

sound physics technology

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verb

(by extension) To repeat (another's speech, opinion etc.).

Examples :

"My sister often echoes my mother's opinions about school lunches. "

communication language

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verb

To repeat its input as input to some other device or system.

Examples :

"The teacher's voice echoed through the empty classroom. "

technology electronics computing signal device communication system

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verb

(whist) To give the echo signal, informing one's partner about cards one holds.

Examples :

"During the card game, Maria echoed "three jacks" to tell her partner she held those cards. "

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noun

The visual image formed by an echocardiograph.

Examples :

"The doctor studied the echo from the echocardiograph to check the patient's heart health. "

medicine technology device

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noun

The use of ultrasound to produce images of the heart.

Examples :

"The doctor used an echo to create a detailed image of the baby's heart. "

medicine physiology anatomy technology device sound science