photosynthesis.

1. Noun

   synthesis of compounds with the aid of radiant energy (especially in plants)

Open English WordNet · CC BY 4.0. Attribution and changes.

1. Noununcountableusually

   Any process by which plants and other photoautotrophs convert light energy into chemical energy.

   Principally, oxygenic photosynthesis, any process by which plants and algae convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy.

2. Noununcountableusually

   Any process by which plants and other photoautotrophs convert light energy into chemical energy.

   Also, nonoxygenic photosynthesis, used by purple and green bacteria, heliobacteria, and acidobacteria.

Wiktionary contributors · CC BY-SA 4.0. Attribution and changes.