chlorophyll
/ˈklɒrəfɪl/noun
mass noun
- a green pigment, present in all green plants and in cyanobacteria, which is responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.叶绿素。
派生词
chlorophyllous
adjective词源
early 19th cent.: coined in French from Greek khlōros 'green'+phullon 'leaf'.