verb (used without object), scrammed, scram·ming. Informal.
- to go away; get out (usually used as a command): I said I was busy, so scram.
noun
- the rapid shutdown of a nuclear reactor in an emergency.
verb (used with object)
- to shut down (a nuclear reactor) rapidly in an emergency.
verb scrams, scramming or scrammed
- (intr; often imperative) informal to go away hastily; get out
noun
- an emergency shutdown of a nuclear reactor
verb
- (of a nuclear reactor) to shut down or be shut down in an emergency
v.1928, U.S. slang, either a shortened form of scramble (v.) or from German schramm, imperative singular of schrammen “depart.” Related: Scrammed; scramming.