echo sounder

ech·o sound·er

E e

Definitions of echo sounder words

noun echo sounder a sonar instrument that uses echolocation to measure depths under water. 1
noun echo sounder a navigation and position-finding device that determines depth by measuring the time taken for a pulse of high-frequency sound to reach the sea bed or a submerged object and for the echo to return 0

before 1925

One of the 11% newest English words

First recorded in 1925-30

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This term is known only to a narrow circle of people with rare knowledge. Only 27% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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