To request forcefully. / To claim a right to something. / To ask forcefully for information. / To require of someone. / (law) To issue a summons to court.

(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

plural of ARG

The quality or state of being newsy.