gas tube

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noun

an electron tube the envelope of which contains a highly rarefied gas.

Nearby words

  1. gas range,
  2. gas ring,
  3. gas station,
  4. gas tank,
  5. gas thermometer,
  6. gas turbine,
  7. gas up,
  8. gas vacuole,
  9. gas welding,
  10. gas well

Origin of gas tube

First recorded in 1805–15

Also called discharge tube.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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