chlorophyll
noun/ˈklɒrəfɪl/
/ˈklɔːrəfɪl/
[uncountable]- the green substance in plants that takes in light from the sun to help them grow see also photosynthesisTopics Plants and treesc2, Biologyc2Word Originearly 19th cent.: coined in French from Greek khlōros ‘green’ + phullon ‘leaf’.
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chlorophyll