ethynyl
noun
ethy·nyl
less common spelling of ethinyl
: a monovalent unsaturated radical HC≡C− derived from acetylene by removal of one hydrogen atom
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“Ethynyl.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethynyl. Accessed 26 Apr. 2024.
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