photoinitiator 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 initiator English photoinitiator From photo- + initiator.
Meanings
- Any substance that initiates a chemical reaction by the absorption of a photon to form an excited state.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| photoinitiators | Number=Plur | lexicographic |