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ethyl ethanoate
ethyl mercaptan
ethylamine
ethylate
ethylene
ethylene glycol
ethylene oxide
ethyne
ethynyl
-etic
etic
etiolated
etiology
etioplast
etiquette
ETM
Etna, Mount
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ethynyl
e·thy·nyl [ éthən'l, éthi nìl ] or e·thi·nyl [ éthən'l, éthi nìl ]


noun 
Definition:
 
chemical group derived from acetylene: a radical derived from acetylene by the removal of one hydrogen atom
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