vinylidenen.

/vʌɪˈnɪlɪdiːn/

/vʌɪˈnʌɪlɪdiːn/

Etymology: < vinyl n. + -idene suffix.

Chemistry.

The bivalent radical CH₂ = C<; frequently attributive. Cf. polyvinylidene n.

ΘΚΠ

the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > hydrocarbon radicals > bivalent radicals

ethylene1853

ethylidene1859

propylidene1876

pentamethylene1887

vinylidene1898

isopropylidene1900

1898 Jrnl. Chem. Soc. 74 i. 188 Acetic anhydride converts it first into oxanilide, and subsequently into vinylidene oxanilide.

1940 Official Gaz. (U.S. Patent Office) 26 Nov. 809/2 The Dow Chemical Company, Midland, Mich. Filed Sept. 27, 1940. Saran for thermoplastic synthetic resins comprising polymers and co-polymers derived from vinylidene chloride. Claims use since Aug. 21, 1940.

1980 Chem. in Brit. 16 473/1 Vinylidene, indole or leuco crystal violet are used as the colour formers.., and carbon tetrabromide or iodoform as the activator.

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

单词	vinylidene
释义	vinylidenen. /vʌɪˈnɪlɪdiːn//vʌɪˈnʌɪlɪdiːn/ Etymology: < vinyl n. + -idene suffix. Chemistry. The bivalent radical CH₂ = C<; frequently attributive. Cf. polyvinylidene n. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > hydrocarbon radicals > bivalent radicals ethylene1853 ethylidene1859 propylidene1876 pentamethylene1887 vinylidene1898 isopropylidene1900 1898 Jrnl. Chem. Soc. 74 i. 188 Acetic anhydride converts it first into oxanilide, and subsequently into vinylidene oxanilide. 1940 Official Gaz. (U.S. Patent Office) 26 Nov. 809/2 The Dow Chemical Company, Midland, Mich. Filed Sept. 27, 1940. Saran for thermoplastic synthetic resins comprising polymers and co-polymers derived from vinylidene chloride. Claims use since Aug. 21, 1940. 1980 Chem. in Brit. 16 473/1 Vinylidene, indole or leuco crystal violet are used as the colour formers.., and carbon tetrabromide or iodoform as the activator. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < n.1898
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