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Vinony

photoprotection

noun

  1. Protection mechanism used by plants under conditions of excess energy absorption as a consequence of the light reactions of photosynthesis.
L253802 on Wikidata ↗

Wiktionary

noun

Etymology: Etymology tree Proto-Indo-European *bʰeh₂- 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 *per-der.? Proto-Indo-European *per-der.? Proto-Indo-European *pér Proto-Indo-European *-o Proto-Indo-European *pró Proto-Indo-European *pro- Proto-Italic *pro- Late Latin pro- Proto-Indo-European *(s)teg-der. Proto-Italic *tegō Late Latin tegō Late Latin prōtegō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Late Latin -tiō Late Latin prōtēctiōder. Old Frenchbor. Middle English English protection English photoprotection From photo- + protection.

  1. The function, in plants that are adapted to high levels of sunlight, that protects the centres of photosynthesis from damage by excess light, normally by the use of carotenoid pigments