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English

aerogel

|aer-o-gel|

C1

🇺🇸

/ˈɛrəˌdʒɛl/

🇬🇧

/ˈeərəʊˌdʒɛl/

lightweight porous material

Etymology
Etymology Information

'aerogel' originates from the combination of 'aero-' meaning 'air' and 'gel', referring to its gel-like structure.

Historical Evolution

'aerogel' was coined in the 20th century to describe this unique material.

Meaning Changes

Initially, it referred to any gel with air as the dispersing medium, but now it specifically denotes the lightweight, porous material used in insulation.

Meanings by Part of Speech

Noun 1

a highly porous and lightweight material derived from a gel, in which the liquid component is replaced with gas without significant collapse of the gel structure.

Aerogels are used for thermal insulation in various applications.

Synonyms

Last updated: 2025/05/19 09:36