chlorophyllnoun [ U ]
uk/ˈklɒr.ə.fɪl/us/ˈklɔːr.ə.fɪl/the green substance in plants, that allows them to use the energy from the sun
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Biochemistry
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Chemicals, chemical compounds & gases
Examples from literature
- Chlorophyll gives the leaves their green color.
- In choosing spores for germination it is best to select those of large size and containing abundant chlorophyll, as they germinate more readily.
- The cells of the plant that are rich in chlorophyll have the power to convert carbonic-acid gas into carbon and oxygen.
- The chlorophyll of the leaves and the hemoglobin of the blood are similar in constitution.
- The outer cells of the ground tissue in the green branches contain chlorophyll, and the walls of some of them are thickened.