noun \ˌfōt-ō-ˈsin(t)-thə-səs\
plural pho·to·syn·the·ses


: synthesis of chemical compounds with the aid of light sometimes including the near infrared or near ultraviolet; especially : the formation of carbohydrates from carbon dioxide and a source of hydrogen (as water) in chlorophyll-containing cells (as of green plants) exposed to light involving a photochemical release of oxygen through the decomposition of water followed by various enzymatic synthetic reactions that usually do not require the presence of light
pho·to·syn·the·size \-ˌsīz\ also British pho·to·syn·the·sise intransitive verb, pho·to·syn·the·sized also British pho·to·syn·the·sised pho·to·syn·the·siz·ing also British pho·to·syn·the·sis·ing
pho·to·syn·thet·ic \-sin-ˈthet-ik\ adjective
pho·to·syn·thet·i·cal·ly \-i-k(ə-)lē\ adverb

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