(intransitive) To collapse inwards. / (intransitive, military) Of a soldier, to get into position in a rank. / To come to an end; to terminate; to lapse. / To become operative.

(intransitive) To run away; to escape. / (transitive) To escape from. / (intransitive) To disappear quickly; to vanish.

Alternative spelling of kaolin

(organic chemistry) Any derivative of a cyclophane in which one or more CH groups have been replaced by a nitrogen atom