Definition of gas-tight in English:

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gas-tight

Pronunciation: /ˈɡasˌtīt/

Entry from US English dictionary

adjective

Sealed so as to prevent the leakage of gas.
Example sentences
  • To preserve the pristine lunar dust and fragments, some samples were placed into gas-tight cans sealed with a knife-edge-to-metal seal.
  • The first crews in gas-tight suits entered the station at 12.26 pm and the first ‘walking wounded’ emerged about six minutes later.
  • The epicotyl was surrounded with a gas-tight soft rubber fitting to a drilled cap, which was placed onto the tube.

For editors and proofreaders

Syllabification: gas-tight

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