(organic chemistry) any of a class of unsaturated ketones, having a general formula R₁R₂C=C=O, that react as if they were inner acid anhydrides

(chemistry) Any imino analogue of a ketene, having the general formula R₂C=C=NR.

plural of ketenimine

(chemistry) An organometallic compound formed from a ketene

plural of ketene

plural of ketenide

A surname.

plural of Ketelsen

plural of ketena

A form of kebele