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ethinyl

noun
ethi·​nyl | \ e-ˈthī-nᵊl How to pronounce ethinyl (audio) , ˈe-thə-ˌnil How to pronounce ethinyl (audio) \
variants: or less commonly

Definition of ethinyl

: a monovalent unsaturated radical HC≡C− derived from acetylene by removal of one hydrogen atom

Examples of ethinyl in a Sentence

Recent Examples on the Web

 One environmental estrogen is ethinyl estradiol—a chemical found in birth control pills. — National Geographic, "Why Are These Male Fish Growing Eggs?," 3 Feb. 2016

First Known Use of ethinyl

1867, in the meaning defined above

History and Etymology for ethinyl

ethine ethyne + -yl

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More Definitions for ethinyl

ethinyl

noun
ethi·​nyl
variants: also ethynyl \ e-​ˈthīn-​ᵊl, ˈeth-​ə-​ˌnil \

Medical Definition of ethinyl

: a monovalent unsaturated radical HC≡C− derived from acetylene by removal of one hydrogen atom

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