anechoic
Pronunciation: an′ĕ-kō′ik
Definition: 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]
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Examples: glitazone, GI cocktail, etc.
