• synonyms


noun Chemistry.
  1. a gel formed by the dispersion of air in a solidified matrix; a solid foam, as Styrofoam.
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Origin of aerogel

First recorded in 1920–25; aero- + gel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for aerogel

Historical Examples

  • 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


  1. a colloid that has a continuous solid phase containing dispersed gas
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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