The definition of chlorophyll is a green color found in plant cells.
An example of chlorophyll is what makes the leaf on a tree green.
the green pigment found in the chloroplasts of plant cells: it occurs in five forms, esp. (chlorophyll a), CHMgNO, and (chlorophyll b), CHMgNO: it is essential to the photosynthetic process and is used as a coloring agent, in topical medicines, etc.
Origin of chlorophyllFrench chlorophylle: see chloro- and -phyll
Any of a group of green pigments that capture light energy used as the energy source in photosynthesis and that are found in the chloroplasts of plants and other photosynthetic organisms such as cyanobacteria, especially:
a. A waxy blue-black microcrystalline green-plant pigment, C55H72MgN4O5, with a characteristic blue-green alcohol solution. Also called chlorophyll a .
b. A similar green-plant pigment, C55H70MgN4O6, having a brilliant green alcohol solution. Also called chlorophyll b .
(usually uncountable, plural chlorophylls)
From French chlorophylle.