| Noun | 1. | chlorophyl - any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring formschlorophyll a - a blue-black plant pigment having a blue-green alcohol solution; found in all higher plants chlorophyll b - a dark-green plant pigment having a brilliant green alcohol solution; generally characteristic of higher plants chlorofucin, chlorophyll c - the chlorophyll present in brown algae, diatoms, and flagellates chlorophyll d - the chlorophyll found (together with chlorophyll a) in red algae pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.) |