SYN: ethynyl.
- e. trichloride SYN: trichloroethylene.
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ethi·nyl also ethy·nyl e-'thīn-əl, 'eth-ə-.nil n a monovalent unsaturated radical HC=C- derived from acetylene by removal of one hydrogen atom
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eth·i·nyl (ethґĭ-nəl) the radical HC
C
, derived from acetylene.
Medical dictionary. 2011.