acetylenicadj.
/əˈsɛtᵻlɛnɪk/, /əˈsɛtl̩ɛnɪk/, U.S. /əˌsɛdlˈɛnɪk/, /əˌsɛdəˈlɛnɪk/ Chemistry.
Made or derived from acetylene; containing the carbon–carbon triple bond characteristic of acetylene and the alkynes.
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acetylenic1915
1915 Chem. Abstr. 3221 (title) Preparation of acetylenic nitriles and of 1-halogenated acetylene derivatives.
1946 Nature 14 Dec. 876/2 The fungistatic activity of a considerable number of ethylenic and acetylenic compounds.
1977 J. March Adv. Org. Chem. (ed. 2) xvii. 949 The reaction can be applied to the formation of acetylenic aldehydes.
2003 Southeastern Naturalist 2 514 Black insects with red or orange markings are often associated with powerful defenses, such as..acetylenic acids occurring in soldier beetles.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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adj.1915