Dictionary.com
definitions

aerostat

[air-uh-stat]
noun
  1. any lighter-than-air aircraft, as a balloon or dirigible.

Origin of aerostat

First recorded in 1775–85; aero- + -stat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for aerostat

Historical Examples of aerostat

  • I am going back to the aerostat, and I dare not leave you boys behind.

    The Lost City

    Joseph E. Badger, Jr.

  • Aerostat′ics, that branch of physics which treats of the weight, pressure, and equilibrium of air and gases.

  • Then against our aerostat, and with the wind driving them clean overhead of us, come the antagonistic flying-machines.

    Anticipations

    Herbert George Wells

  • Then the aerostat, as the great bag is called, was unrolled and spread evenly over this.

  • My first wish is to thoroughly test the aerostat, to make certain it has received no serious injury.

    The Lost City

    Joseph E. Badger, Jr.

British Dictionary definitions for aerostat

aerostat

noun
  1. a lighter-than-air craft, such as a balloon
Derived Formsaerostatic or aerostatical, adjective

Word Origin for aerostat

C18: from French aérostat, from aero- + Greek -statos standing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012