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Chlorophyll   Listen
noun
Chlorophyll  n.  
1.
(Bot.) Literally, leaf green; a green granular matter formed in the cells of the leaves (and other parts exposed to light) of plants, to which they owe their green color, and through which all ordinary assimilation of plant food takes place. Similar chlorophyll granules have been found in the tissues of the lower animals. (Written also chlorophyl)
2.
Any of a group of green pigments found in photosynthetic organisms. Chlorophyll a and chlorophyll b are found in higher plants and green algae; chlorophyll c is found in certain types of marine algae. Chemically, it has a porphyrin ring with a magnesium ion bound to the four central nitrogens, and has a phytyl side chain. It is essential for photosynthesis in most plants. Chlorophyll a has formula C55H72N4O5Mg.
Synonyms: chlorophyll.






Collaborative International Dictionary of English 0.48








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"Chlorophyll" Quotes from Famous Books



... Ethel has in her hands two little plants. The one in her right hand has been growing in the light; the other, in her left hand, has been put away in the dark to grow. The absence of green colour is very marked in this latter plant. So you see it takes light to form this green, or chlorophyll as it is called. The chlorophyll-saturated cells, absorbing carbonic acid and the water-diluted food from the soil, literally break them up. And when broken, food is found suitable for plants to absorb. Wonderful, is ...
— The Library of Work and Play: Gardening and Farming. • Ellen Eddy Shaw



Words linked to "Chlorophyll" :   chlorophyl, chlorophyllous, chlorophyll b, chlorophyll c, chlorophyll d, pigment



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