-ylidene
构词拆分
-yl后缀
(organic chemistry) A univalent radical or functional group formed from a given molecule. Thus propyl from propane, benzyl from benzene, and so forth.
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-idene后缀
词源说明
释义（英文）
后缀 Suffix
- (organic chemistry) Bivalent radical derived especially from a saturated hydrocarbon by removal of two hydrogen atoms from the same carbon atom or the removal of the oxygen atom of an aldehyde