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What do we mean by echo?
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.
What is an echo in English class?
echo | Intermediate English a sound that is heard again after it has been reflected off a surface such as a wall or a cliff: The cave was filled with the echoes of our voices.
What is example of echo?
Echo is defined as a sound repeating by sound wave reflection, having a lasting or far reaching impact, or repeating what someone else has said. An example of echo is the repeating of a sound created by footsteps in an empty marble hallway.
What is echo in short answer?
Sound | Short/Long Answer Questions Echo is the sound heard after reflection from a rigid surface such as a cliff, a hillside, the wall of a building etc. So from the rigid surface because the sound heard after the reflection.
What is echo used for?
Echo is a Unix/Linux command tool used for displaying lines of text or string which are passed as arguments on the command line. This is one of the basic command in linux and most commonly used in shell scripts.
What is an echo in writing?
An echo word is a word or phrase (such as shilly shally and click and clack) that contains two identical or very similar parts: a reduplicative. An echo word is a word or phrase that recurs in a sentence or paragraph.
What are the uses of echo?
Echoes are used by bats, dolphins and fisherman to detect an object / obstruction. They are also used in SONAR (Sound navigation and ranging) and RADAR(Radio detection and ranging) to detect an obstacle.
Who uses echo?
Specifically, 69.7% of U.S. smart speaker users will use an Echo in 2020, down slightly from 72.9% last year. In 2021, the number will drop a bit further, with then 68.2% of U.S. smart speaker owners using an Echo device.
What is the modern meaning of the word echo?
Meaning & History. Means “echo” from the word for the repeating reflected sound, which derives from Greek ηχη (eche) “sound”. In Greek mythology Echo was a nymph given a speech impediment by Hera, so that she could only repeat what others said.
What is the importance of Echo?
The echo is used in the determination of sea depth and fish shoals, detecting the industrial defects, locating the position of surfaces and barriers , and it is used in the medical diagnosis. The concentration of the sound Sound reflection on the concave surface.
What does it mean to echo someone?
If you echo someone’s words, you repeat them or express agreement with their attitude or opinion. Their views often echo each other. A detail or feature that reminds you of something else can be referred to as an echo.
What does echo mean in music?
musical echo. [′myü·zə·kəl ′ek·ō] (acoustics) A musical tone produced by the reflection of an impulsive sound from a stepped structure such as a picket fence, when reflections from successive steps reach the observer with suitable frequency.