phototoxicity

Questions

What does phototoxicity mean?

Any adverse effect due to exposure to light, especially such effects on the skin

Where does phototoxicity 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- Ancient Greek τοξῐκός (toxĭkós) Ancient Greek τοξικόν (toxikón)der. Latin toxicum Proto-Indo-European *-kos Proto-Italic *-kos Latin -cus Latin toxicusbor. French toxiquebor. English toxic Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English toxicity English phototoxicity From photo- + toxicity.

How to pronounce phototoxicity

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