photoaffinity 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- English affinity English photoaffinity From photo- + affinity.
Meanings
- (uncountable) the photoexcitation of a molecular entity (normally associated with a biomolecule) in order to attach a label