photoabsorption en · NOUN
Etymology
Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Italic *ap Latin abder. Latin ab- Proto-Indo-European *srebʰ- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *srobʰéyeti Proto-Italic *sorβeō Latin sorbeō Latin absorbeō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin absorptiōder. English absorption English photoabsorption From photo- + absorption.
Meanings
- (uncountable) A situation in which all of the energy of a photon is transferred to an atom or molecule