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aerogel

[ air-uh-jel ]
/ ˈɛər əˌdʒɛl /
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noun Chemistry.

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. 2021

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British Dictionary definitions for aerogel

aerogel
/ (ˈɛərəˌdʒɛl) /

noun

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
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