from The Century Dictionary.
- noun The green coloring matter of plants; also, the substance within the mass of protoplasm which is colored by this matter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms
Sorry, no etymologies found.
When we dissect a leaf in its primal development, we find that its cells contain colorless globules, by botanists called chlorophyl or phyto-color; these undergo changes according as they are acted upon by light, oxygen, or other agents, producing green, yellow, red, and other tints.
This coloring matter is called chlorophyl or leaf green.
The First Book of Farming Charles Landon Goodrich
Thus, then, the coloring matter described as chlorophyl by Lankester has really been mainly derived from that of the endodermal algæ of the variety _plumosa_, which predominates at Naples; while the anthea-green of Krukenberg must mainly consist of the green pigment of the ectoderm, since the Trieste variety evidently does not contain algæ in any great quantity.
Because a peculiar chemical substance called chlorophyl, formed within their cells, absorbs all other rays of light, reflecting only blue and yellow -- which mixture produces the different green tints.
A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition. Anonymous
In the first place you have the effect of light upon chlorophyl which is important; in the second place, the melted paraffin fills all interstices in which sap would collect and ferment.
For plants, they are not as efficient as LEDs since much of their light emission is not absorbed by chlorophyl.
Lighting our Space Habitats Stephen D. Covey 2009
It's Mr. cellular structure of the chlorophyl of a leaf.
Tubbypaws Tubbypaws 2006
Once they get into the sun the chlorophyl turns green.
The reflection spectrum off plants was not that of chlorophyl, but the chemistry was of protein, and animals were abundant.
Starfarers Anderson, Poul, 1926- 1998
Chlorophane, like the chlorophyl of green plants, could break up exhaled carbon dioxide, freeing the oxygen for re-breathing.
The Planet Strappers Raymond Z. Gallun 1952