n.
Pronunciation: - ' sin(t)-th ə -s ə s
Function: noun
Etymology: New Latin
Date: 1898
: synthesis of chemical compounds with the aid of radiant energy and especially light especially : formation of carbohydrates from carbon dioxide and a source of hydrogen (as water) in the chlorophyll-containing tissues of plants exposed to light
– pho · to · syn · the · size \ - ˌ s ī z \ intransitive verb
– pho · to · syn · thet · ic \ -sin- ' the-tik \ adjective
– pho · to · syn · thet · i · cal · ly \ -ti-k( ə -)l ē \ adverb