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单词 photosynthesis
释义

WordReference Random House Learner's Dictionary of American English © 2024
pho•to•syn•the•sis /ˌfoʊtəˈsɪnθəsɪs/USA pronunciation   n. [uncountable]
  1. Biochemistrythe production of organic materials from carbon dioxide and water, using sunlight as energy with the aid of chlorophyll.
See -thes-.
WordReference Random House Unabridged Dictionary of American English © 2024
pho•to•syn•the•sis  (fō′tə sinthə sis),USA pronunciation n. [Biol., Biochem.]
  1. Biochemistry(esp. in plants) the synthesis of complex organic materials, esp. carbohydrates, from carbon dioxide, water, and inorganic salts, using sunlight as the source of energy and with the aid of chlorophyll and associated pigments.
  • 1895–1900; photo- + synthesis
pho•to•syn•thet•ic  (fō′tə sin thetik),USA pronunciation adj.  pho′to•syn•theti•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
photosynthesis /ˌfəʊtəʊˈsɪnθɪsɪs/ n
  1. (in plants) the synthesis of organic compounds from carbon dioxide and water (with the release of oxygen) using light energy absorbed by chlorophyll

photosynthetic /ˌfəʊtəʊsɪnˈθɛtɪk/ adj ˌphotosynˈthetically adv
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更新时间:2024/9/21 10:50:04