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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

An aircraft (as a balloon or airship) that embodies one or more containers filled with a gas lighter than air and that is supported chiefly by buoyancy derived from the surrounding air.

Usage examples (36)
  • Airships are free flying aerostats that can be steered and propelled.
  • AFP/Getty Images The aerostat is illuminated in green depicting a tree at opening ceremony.
  • She possessed all the qualities of a good aerostat.
  • At this moment the aerostat rose a few hundred yards. for more
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