scram
Definition from Wiktionary, the free dictionary
See also SCRAM
Contents |
English [edit]
Pronunciation [edit]
Etymology 1 [edit]
Attested since 1928[1], originally as U.S. slang[1]; either:
- formed by abbreviation of scramble by apocope;[1] or
- from dialect German schramm, imperative singular form of schrammen (“graze”).[1]
Verb [edit]
scram (third-person singular simple present scrams, present participle scramming, simple past and past participle scrammed)
- Get out of here; go away (frequently imperative).
- If you don't scram, I'll leave instead!
Synonyms [edit]
- See also Wikisaurus:go away
Translations [edit]
go away
See also [edit]
Etymology 2 [edit]
Back-formation from SCRAM, most etymology are likely backronyms.
Verb [edit]
scram (third-person singular simple present scram, present participle scraming or scramming, simple past and past participle scramed or scrammed)
- (transitive, intransitive) To abruptly insert the control rods of a nuclear reactor, usually in case of emergency shutdown.
- 1983, Michio Kaku & Jennifer Trainer (eds.), Nuclear Power: Both Sides, p. 22,
- The slightest problem in a reactor will cause the control rods to plunge automatically in the uranium core at hih speeds (this is called scramming the reactor) and stop the chain reaction.
- 1999, Charles Perrow, Normal Accidents: Living with High-risk Technologies, p. 44,
- This shut off current to the control rod mechanism, and the reactor scrammed (shut off) automatically.
- 2000, Ralph R. Fullwood, Probabilistic Safety Assessment in the Chemical and Nuclear Industries, Elsevier, page 218
- Both active and manual methods scram by tripping power to a dedicated pump that unbalances the flows to the [sic] passively scram the reactor.
- 2007, Samuel Upton Newtan, Nuclear War I and Other Major Nuclear Disasters of the 20th Century, p. 113,
- The reactor was then "scramed", but the control rods did not slide back into the reactor.
- 1983, Michio Kaku & Jennifer Trainer (eds.), Nuclear Power: Both Sides, p. 22,
Noun [edit]
scram (uncountable)
- A rapid shutdown of a nuclear reactor
- Alternative spelling of SCRAM.