Natural chemical-process by which chlorophyll (magnesium-containing pigment in green plants, blue-green algae, phytoplankton, and green and purple bacteria) uses sunlight (radiation) energy to convert (synthesize) water and atmospheric carbon dioxide into life sustaining organic compounds such as glucose. Being also responsible for almost all the oxygen in atmosphere, photosynthesis is the basis of all life on earth.

Use photosynthesis in a sentence

  • By growing plants in a greenhouse, the natural process of photosynthesis can take place in a year round, controlled environment.

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  • I love watching plants undergoing photosynthesis, watching nature grow is a worthwhile activity and makes me happy in my day to day life of mundane torture.

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  • The students studied photosynthesis by planting bean sprouts and placing half of the sprouts in a dark cabinet and half in direct sunlight.

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