anechoic

anechoic

 [an-ĕ-ko´ik]

without echoes, such as a room used for hearing tests.

sonolucent.

an·e·cho·ic

(an'ĕ-kō'ik),

The property of being echo-free or appearing without echoes on a sonographic image; a cyst filled with clear fluid appears anechoic. See: transonic.

Synonym(s): echo-free

[G. an- priv. + echo + ic]

an·e·cho·ic

(an'ĕ-kō'ik)

The property of appearing echo free on a sonographic image; a clear cyst appears anechoic.

[G. an- priv. + echo + ic]