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ethylene
ethylene glycol
ethylene oxide
ethyne
ethynyl
-etic
etic
etiolated
etiology
etioplast
etiquette
ETM
Etna, Mount
ETO
Eton (1)
Eton (2)
Eton collar
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ethyl

eth·yl [ éthəl ]


noun 
Definition:
 
chemical group with carbon and hydrogen: relating to the group of atoms derived from ethane after the loss of a hydrogen atom. -C2H5

[Mid-19th century. <ether]
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