echoic

形容词 echoic:

1. (of words) formed in imitation of a natural sound- Harry Hoijer
   同义词：imitative, onomatopoeic, onomatopoeical, onomatopoetic
2. like or characteristic of an echo
   同义词：echolike

e.cho.ic

adj.（形容词）
Of or resembling an echo.
回声的：回声的或象回声的
Imitative of natural sounds; onomatopoeic:
拟声的：模拟自然声音的；拟声的：
例句：
an echoic word.
拟声词