aerogel Hear it!

aerogel definition

aero·gel (er′ō jel′)

noun

a substance formed by the suspension of small bubbles of gas in a liquid or solid: the reversal of an aerosol

Etymology: aero- + gel

adjective

designating or of a small container in which gas under pressure is used to aerate and dispense foam through a valve

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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