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Chlorophyll   /klˈɔrəfɪl/   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



... world, into plants and animals. There must have been a long series of earlier stages below the plant and animal. In fact, some writers insist that the first organisms were animal in nature, feeding on the more elementary stages of living matter. At last one type develops chlorophyll (the green matter in leaves), and is able to build up plasm out of inorganic matter; another type develops mobility, and becomes a parasite on the plant world. There is no rigid distinction of the two ...
— The Story of Evolution • Joseph McCabe

... mammiferae. Parasite existence is autonomous, living upon a foreign body, of which nature prohibits it from being at the same time an organ. This is an elementary axiom of general physiology. But observation directly made teaches that the green matter originally arises within the primary chlorophyll- or phycochrom-bearing cellule, and consequently is not intruded from any external quarter, nor arises in any way from any parasitism of any kind. The cellule at first is observed to be empty, and then, by the aid of secretion, green matter is gradually ...
— Fungi: Their Nature and Uses • Mordecai Cubitt Cooke

... the stem and leaves have the peculiar power, when acted on by light, of generating, at the expense of carbonic acid, water and ammonia, with various ternary and quarternary organic compounds, such as chlorophyll, starch, oil and albumen. A part goes to build new tissues, and a part is stored up in the cavities of tissues for food for parts to be developed in the future." Mr. Carpenter says, "Of the source of this ...
— The Christian Foundation, Or, Scientific and Religious Journal, Volume 1, January, 1880 • Various

... transverse division, or splitting of the cells, whence their name. There are two pretty well-marked orders,—the blue-green slimes (Cyanophyceae) and the bacteria (Schizomycetes). They are distinguished, primarily, by the first (with a very few exceptions) containing chlorophyll (leaf-green), which is entirely absent from nearly ...
— Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell

... to organic food more than others? If we cannot answer the question, we may make a probable step toward it. For plants that are not parasitic, these, especially the sundews, have much less than the ordinary amount of chlorophyll—that is, of the universal leaf-green upon which the formation of organic matter out of inorganic materials depends. These take it instead of making it, ...
— Darwiniana - Essays and Reviews Pertaining to Darwinism • Asa Gray

... cells. One of these remains white, but the other kind, near the surface, is altered by the sunlight and by the help of the iron brought in by the water. This particular kind of protoplasm, which is called "chlorophyll," will have nothing to do with the green waves and throws them back, so that every little grain of this protoplasm looks green and gives the ...
— The Fairy-Land of Science • Arabella B. Buckley

... FUNGUS OR A MUSHROOM? It is a cellular, flowerless plant, nourished by the mycelium which permeates the soil or other substances on which the fungus or mushroom grows. All fungi are either parasites or saprophytes which have lost their chlorophyll, and are incapable of supporting ...
— The Mushroom, Edible and Otherwise - Its Habitat and its Time of Growth • M. E. Hard

... letting go of it saw it go to the bottom. He went to find his father to fish it out for him. When he came back his heavy solid mug looked as if it were made of the skeleton leaves of the forest when the green chlorophyll has decayed away in the winter and left only the gauzy veins and veinlets through which the leaves were made. Soon even this fretwork was gone, and there was no sign of it to be seen. The liquid had eaten or drank the solid metal up, particle by particle. ...
— Among the Forces • Henry White Warren



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