Aerogel Definition
 ârə-jĕl 
    noun
  
 A highly porous solid formed from a gel, such as silica gel, in which the liquid is replaced with a gas.
 American Heritage 
A substance formed by the suspension of small bubbles of gas in a liquid or solid: the reversal of an aerosol.
 Webster's New World 
    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 
Other Word Forms of Aerogel
Noun
Singular:
 aerogelPlural:
 aerogelsOrigin of Aerogel
-  aero- + gel From Wiktionary 
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