noun Chemistry.

a gel formed by the dispersion of air in a solidified matrix; a solid foam, as Styrofoam.

Origin of aerogel

First recorded in 1920–25; aero- + gel Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aerogel

Historical Examples of aerogel

  • A young woman pried loose another resin skull finial and added it to the pile, placed another sheet of aerogel on top of it.


    Cory Doctorow

British Dictionary definitions for aerogel



a colloid that has a continuous solid phase containing dispersed gas
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