Submitted by György Chityil ... on Fri, 01/19/2018 - 20:25 Hierarchy: VerbDescription: {{ambitransitive}} To abruptly insert the control rods of a nuclear reactor, usually in case of emergency shutdown.Ngram: scramNgram Text: scramSource: WiktionaryIssue: 0Wiktionary tag: ambitransitiveNgram Count: 1