vinylidene Chem.
(vaɪˈnɪlɪdiːn, vaɪˈnaɪlɪdiːn)
[f. vinyl + -idene.]
The bivalent radical CH2 = C>.
1898 Jrnl. Chem. Soc. LXXIV. i. 188 Acetic anhydride converts it first into oxanilide, and subsequently into vinylidene oxanilide. 1940 [see Saran]. 1980 Chem. in Brit. XVI. 473/1 Vinylidene, indole or leuco crystal violet are used as the colour formers.., and carbon tetrabromide or iodoform as the activator. |