aerogel

[air-uh-jel]

aer·o·gel

[air-uh-jel]
noun Chemistry.
a gel formed by the dispersion of air in a solidified matrix; a solid foam, as Styrofoam.

Origin:
1920–25; aero- + gel
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Aerogel is always a great word to know.
So is amaranth. Does it mean:
noting compounds that readily decompose or change into other compounds
a purplish-red, water-soluble powder, C20H11N2O10Na3, an azo dye used chiefly to color pharmaceuticals, food, and garments
Collins
World English Dictionary
aerogel (ˈɛərəˌdʒɛl)
 
n
a colloid that has a continuous solid phase containing dispersed gas

Collins English Dictionary - Complete & Unabridged 10th Edition
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