photoinitiator

Questions

What does photoinitiator mean?

Any substance that initiates a chemical reaction by the absorption of a photon to form an excited state.

Where does photoinitiator come from?

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.

How to pronounce photoinitiator

1. Open the pronunciation page — Open the Speakur entry for “photoinitiator”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “photoinitiator”.
4. Repeat and practice — Say “photoinitiator” aloud, matching stress and vowels until it feels natural.