beam-power tube
[ beem-pou-er ]
/ ˈbimˌpaʊ ər /
noun Radio.
a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
Nearby words
beam splitter, beam trawl, beam weapon, beam wind, beam-ends, beam-power tube, beamer, beaming, beamingly, beamish, beamon
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019