-ylidenecomb. form

Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly; see e.g. retinylidene n.

Etymology: Formed as -idene suffix.

Chemistry.

Used in place of -idine suffix when the name of the parent compound does not end in -yl.

ΚΠ

1971 Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 3) A. 17 Names of bivalent radicals derived from saturated or unsaturated monocyclic hydrocarbons by removal of two atoms of hydrogen from the same carbon atom of the ring are obtained by replacing the endings ‘-ane’, ‘-ene’, ‘-yne’, by ‘-ylidene’, ‘-enylidene’ and ‘-ynylidene’, respectively.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	-ylidene
释义	-ylidenecomb. form Primary stress is attracted to the first syllable of this combining form and vowels may be reduced accordingly; see e.g. retinylidene n. Etymology: Formed as -idene suffix. Chemistry. Used in place of -idine suffix when the name of the parent compound does not end in -yl. ΚΠ 1971 Nomencl. Org. Chem. (I.U.P.A.C.) (ed. 3) A. 17 Names of bivalent radicals derived from saturated or unsaturated monocyclic hydrocarbons by removal of two atoms of hydrogen from the same carbon atom of the ring are obtained by replacing the endings ‘-ane’, ‘-ene’, ‘-yne’, by ‘-ylidene’, ‘-enylidene’ and ‘-ynylidene’, respectively. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < comb. form1971
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