absorbance

== English == === Etymology === From absorb +‎ -ance. === Pronunciation === (US) IPA(key): /əbˈsɔɹ.bn̩s/, /əbˈzɔɹ.bn̩s/, /əbˈsɔɹ.bn̩ts/, /əbˈzɔɹ.bn̩ts/ === Noun === absorbance (countable and uncountable, plural absorbances) (physics) A logarithmic measure of the amount of light that is absorbed when passing through a substance; the capacity of a substance to absorb light of a given wavelength; optical density. [First attested in the mid 20th century.] ==== Derived terms ==== ==== Translations ==== === References === == French == === Pronunciation === === Noun === absorbance f (plural absorbances) the fact of being absorbent