(organic chemistry) The divalent radical CH₃-CH₂-CH< analogous to ethylidene; propylidene / (organic chemistry) The pesticide butan-2-yl 2-(2-hydroxyethyl)piperidine-1-carboxylate

(obsolete) Unmotivated by personal interest; unbiased, disinterested. / Not interested; indifferent, not concerned.

A surname.

Obsolete spelling of righteous