compressed gas

Noun
  1. Gas at a high pressure that can be used as a propellant (synset 114866396)
    is a type of:
    • propellant, propellent - any substance that propels
    • gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
    subtypes: compressed air - air at a pressure greater than that of the atmosphere

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