- any lighter-than-air aircraft, as a balloon or dirigible.
Origin of aerostat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for aerostat
I am going back to the aerostat, and I dare not leave you boys behind.
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.
- a lighter-than-air craft, such as a balloon
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