gas tube

noun

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

Word History and Origins

Origin of gas tube¹

First recorded in 1805–15

Example Sentences

The upper receiver contains the firing bolt, barrel and gas tube and is often called the “guts” of the weapon.

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By built, I mean I ordered a sealed gas tube with mirrors on both ends and built a high-voltage power supply to fire it.

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In May, the company recalled about 95 lanterns for an incorrect gas tube that posed a fire hazard, according to the agency.

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On the mantelpiece stands a great bronze six-armed monster, with open mouth, and on a lighted match being secretly applied behind its back to a tiny gas tube within, you turn round to find a long thin flame issuing therefrom, at which the gentlemen light their cigars.

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You can’t see that foregrip now, because it has been turned to charcoal and ash, exposing the barrel and gas tube directly above this rebel’s left index finger.

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