absorbance

Fetched 2026-10-26 (cache).

Synonyms: absorbancy, absorbable, absorptance, absorbency, absorbate, absorbant, absorbances, absorbants

Antonyms: absorbancy, absorbable, absorptance, absorbency, absorbate, absorbant, absorbances, absorbants

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physics}} A [[logarithmic]] [[measure]] of the amount of [[light]] that is [[absorb]]ed when passing through a substance; the capacity of a substance to absorb light of a given wavelength; optical density. {{defdate|First attested in the mid 20^th century.}}<ref name=SOED>{{R:SOED5|page=9}}</ref>

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.