DictionarychlorophyllGreen plant pigment
noun

chlorophyll

KLOR-uh-fil/ˈklɔːrəfɪl/

The green pigment plants use to absorb light for photosynthesis.

The inset shows chlorophyll inside the leaf's chloroplasts.

Green leaf with clean magnified inset of chloroplasts containing green pigment, sunlight falls on leaf.
Etymology

The name combines “green” and “leaf,” identifying the pigment by the familiar color it gives foliage rather than by its light-absorbing function.

In context

UF / IFAS Extension Pinellas County73:47
the chloroplast is where the chlorophyll is found and because the chloroplast is where the chlorophyll is found is the chloroplast where photosynthesis takes place photosynthesis means taking light
Botanical Science for Beginners

More examples

  • The leaves lost chlorophyll as autumn approached.
  • The experiment extracted chlorophyll from spinach.
  • Green chlorophyll was concentrated inside the chloroplasts.

Forms

chlorophyll

chloroplast noun — a cell structure containing photosynthetic pigments

Similar words

chloroplast
A chloroplast is a cell structure; chlorophyll is a pigment inside it.
carotenoid
Carotenoids are other plant pigments, often yellow or orange; chlorophyll is green.