Synonyms and Antonyms for thermionic-vacuum-tube

2. thermionic (adj.)

of or relating to or characteristic of thermions

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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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10. tube (v.)

place or enclose in a tube

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