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chloroplast

/ˌklɔrəˈplæst/
IPA guide

Other forms: chloroplasts

The chloroplast is the place in a plant cell where photosynthesis happens. Your rose bushes have chloroplasts, but you don’t.

Chloroplast is the combination of two biological terms, plastid (an organelle in a plant cell), and chloros, which means green. If you’re reading about plant biology, you’ll probably recognize chloros in chlorophyll, which is one of the pigments important to photosynthesis, which takes place in chloroplasts.

Definitions of chloroplast
  1. noun
    plastid containing chlorophyll and other pigments; in plants that carry out photosynthesis
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    type of:
    plastid
    any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein
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