Submitted by György Chityil ... on Sat, 01/20/2018 - 01:15 Hierarchy: NounDescription: {{physics}} An electron tube in which high-energy microwaves are produced by transferring energy from electronsNgram: travelling wave tubeNgram Text: travelling wave tubeSource: WiktionaryIssue: 0Wiktionary tag: physicsNgram Count: 3
