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thermionic valve vs television-camera tube

television-camera tube vs thermionic valve

thermionic valve and television-camera tube both are nouns.

Word NounAdjectiveVerbAdverb
thermionic valve Yes No No No
television-camera tube Yes No No No
As nouns, television-camera tube is a hyponym of thermionic valve; that is, television-camera tube is a word with a more specific, narrower meaning than thermionic valve:
  • thermionic valve: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
  • television-camera tube: a tube that rapidly scans an optical image and converts it into electronic signals
thermionic valve (noun) television-camera tube (noun)
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope a tube that rapidly scans an optical image and converts it into electronic signals
Difference between thermionic valve and television-camera tube

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