英语词汇“vacuum tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

vac′uum tube′,

ElectronicsAlso called,[esp. Brit.,] vac′uum valve′. an electron tube from which almost all air or gas has been evacuated: formerly used extensively in radio and electronics.
Electronicsa 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.

vacuum tube, vacuum valve n

单词	vacuum tube
释义	WordReference Random House Unabridged Dictionary of American English © 2024 vac′uum tube′, ElectronicsAlso called,[esp. Brit.,] vac′uum valve′. an electron tube from which almost all air or gas has been evacuated: formerly used extensively in radio and electronics. Electronicsa 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. 1775–85 Collins Concise English Dictionary © HarperCollins Publishers:: vacuum tube, vacuum valve n another name for valve
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