Synonyms|22Antonyms|0|Broader|2Narrower|14Related|58
5
tube
4
thermionic tube(noun, device)
3
electron tube(noun, device)
2
thermionic vacuum tube
1
thermionic valve
1
underground
1
valve
0
VT(noun, device)
0
diode
0
klystron
0
magnetron
0
metro
0
pentode
0
pipe
0
rubber vacuum tube(expression, idiom)
0
subways
0
triode
0
tubing
0
undergrounded
0
undergrounding
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APASmart Define. (2015). vacuum tube thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/vacuum_tube/thesaurus/synonyms
ChicagoSmart Define. 2015. "vacuum tube thesaurus" https://smartdefine.org/vacuum_tube/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, vacuum tube thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/vacuum_tube/thesaurus/synonyms>.
MLASmart Define. "vacuum tube thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/vacuum_tube/thesaurus/synonyms>