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aerobiosis
aerodontalgia
aerodrome
aerodynamic
aerodynamics
aerodyne
aeroembolism
aerofoil
aerogel
aerogram
aerography
aerolite
aerolization
aerology
aeromagnetic
aeromechanics
aeromedicine
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aerogel
aer·o·gel [ érrō jèl ]


noun 
Definition:
 
porous solid: a highly porous, extremely lightweight solid formed by replacing the particles in a gel with a gas
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