MEANING
A very low-density porous solid made by replacing a gel’s liquid with gas while preserving much of its structure.
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Words that belong together
- silica aerogel
- aerogel insulation
On the page
The aerogel panel looked like frozen smoke.
A crack ran through the fragile aerogel insulation.
Related words
Word forms
- Base
- aerogel
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Usage notes
Primary category: sci-fi. Forms: Usually uncountable; plural aerogels for different kinds. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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