Definition of aerogel in English:

aerogel

Syllabification: aer·o·gel
Pronunciation: /ˈerəˌjel
 
/

noun

A solid material of extremely low density, produced by removing the liquid component from a conventional gel. Also called frozen smoke.
More example sentences
  • An aerogel is a porous network of silica strands with diameters of a few nanometres.
  • To be useful, aerogels must remain firm in different environments - a hurdle that most such materials have not cleared.
  • A tennis racket-shaped canister packed with a material called aerogel will capture the particles during the flyby.

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Word of the day hubris
Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence