vacuum tube

vac·u·um tube

V v

- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
- [vak-yoom, -yoo-uh m, -yuh m toob, tyoob]
- /ˈvæk yum, -yu əm, -yəm tub, tyub/
- /ˈvæk.juːm tjuːb/

- US Pronunciation
- US IPA
- [vak-yoom, -yoo-uh m, -yuh m toob, tyoob]
- /ˈvæk yum, -yu əm, -yəm tub, tyub/

Definitions of vacuum tube words

noun vacuum tube Also called, especially British, vacuum valve. an electron tube from which almost all air or gas has been evacuated: formerly used extensively in radio and electronics. 1
noun vacuum tube a sealed glass tube with electrodes and a partial vacuum or a highly rarefied gas, used to observe the effects of a discharge of electricity passed through it. 1
noun vacuum tube an electron tube from which the air has been evacuated to the highest possible degree 0

before 1775

One of the 45% newest English words

First recorded in 1775-85

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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