absorptance

Fetched 2026-10-26 (cache).

Synonyms: absorbance

Antonyms: absorbance

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|optics|physics}} Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation. {{defdate|First attested in the mid 20^th century.}}<ref name=SOED>{{R:SOED5|page=9}}</ref>

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