noun ·Rare ·Advanced level

Definitions

Noun

1. 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 uncountable

Etymology

From photo- + protection.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.