Definition of butyne
: either of two isomeric hydrocarbons C4H6 of the acetylene series: a : an easily condensable gas CH≡CCH2CH3 —called also 1-butyne, ethylacetylene b : a volatile liquid CH3C≡CCH3 of strong odor —called also 2-butyne, dimethylacetylene
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Origin and Etymology of butyne
International Scientific Vocabulary but- + -yne, -ine
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