pho·to·syn·thet·i·cal·ly /-ɪk(ə)lɪ/ 副詞
Pho·to·syn·the·sis n. Plant Physiol. The process of constructive metabolism in which green plants utilize the energy of sunlight to manufacture carbohydrates from carbon dioxide and water in the presence of chlorophyll. It was formerly called assimilation, but this is now commonly used as in animal physiology. -- Pho*to*syn*thet*ic a. -- Pho*to*syn*thet*ic*al*ly adv.
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