echo
[ ek-oh ]
/ ˈɛk oʊ /
noun, plural ech·oes.
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.
Origin of echo
1300–50; Middle English
ecco < Latin
ēchō < Greek, akin to
ēchḗ sound
OTHER WORDS FROM echo
Words nearby echo
Example sentences from the Web for echo
British Dictionary definitions for echo (1 of 4)
echo
/ (ˈɛkəʊ) /
noun plural -oes
verb -oes, -oing or -oed
Derived forms of echo
echoing, adjective echoless, adjective echo-like, adjectiveWord Origin for echo
C14: via Latin from Greek
ēkhō; related to Greek
ēkhē sound
British Dictionary definitions for echo (2 of 4)
Echo
1
/ (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)
Echo
2
/ (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)
Echo
3
/ (ˈɛkəʊ) /
noun
communications
code word for the letter e
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.