photosynthesis photosynthesis /ˌfoʊtoʊˈsɪnθəsɪs/

noun

1. Synthesis of compounds with the aid of radiant energy (especially in plants)  ( photosynthesis )
   synthesis of compounds with the aid of radiant energy (especially in plants)
    Plants use photosynthesis to convert sunlight into energy.
   Plants use photosynthesis to convert sunlight into energy.