[ek-ee-yoo r-oid] /ˌɛk iˈyʊər ɔɪd/
any wormlike invertebrate of the phylum Echiuroidea, found in sand and mud of tropical and subtropical seas, having at the mouth a ciliated, often elongated prostomium.
belonging or pertaining to the Echiuroidea.
[ek-oh] /ˈɛk oʊ/ noun, plural echoes. 1. a repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface. 2. a sound heard again near its source after being reflected. 3. any repetition or close imitation, as of the ideas or opinions of another. 4. a person who […]
echoacousia ech·o·a·cou·si·a (ěk’ō-ə-kōō’zē-ə, -zhə) n. A subjective disturbance of hearing in which a sound heard appears to be repeated.
echoaortography ech·o·a·or·tog·ra·phy (ěk’ō-ā’ôr-tŏg’rə-fē) n. The application of ultrasound techniques to the diagnosis and study of the aorta, particularly the abdominal aorta.
noun, Informal. 1. a member of Generation Y, born in the 1980s or 1990s; a .