A semiconductor (or similar device) incorporating a junction of three crystals.

(inorganic chemistry) Any substance that has two niobate groups

(obsolete) Alternative form of rope-ripe

(intransitive) To leave. / (intransitive) To set out on a journey. / (intransitive, euphemistic) To die. / (intransitive, figuratively) To disappear, vanish; to cease to exist.