Synonyms and Antonyms for thermionic-vacuum-tube

2. tube-nosed fruit bat (n.)

any of various fruit bats of the genus Nyctimene distinguished by nostrils drawn out into diverging tubes

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3. vacuum (n.)

the absence of matter

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4. vacuum (v.)

clean with a vacuum cleaner

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5. vacuum (n.)

an electrical home appliance that cleans by suction

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6. vacuum (n.)

an empty area or space

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9. tube (n.)

a hollow cylindrical shape

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