English Dictionary

photosynthesis

/ˌfəʊ.təʊ.ˈsɪn.θə.sɪs/

noun

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

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

意味（1）

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

Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy.

意味（2）

also, non-oxygenic photosynthesis, used by purple and green bacteria, heliobacteria, and acidobacteria.