chloroplast
/ˈklɔːɹəʊˌplæst/ noun
Forms chloroplasts
- noun (cytology) An organelle, found in the cells of green plants and in photosynthetic algae, where photosynthesis takes place, characterized by a high concentration of chlorophyll and two membranes.
Synonyms
Etymology
From chloro- + -plast.
Webster’s 1913
- noun A plastid containing chlorophyll, developed only in cells exposed to the light. Chloroplasts are minute flattened granules, usually occurring in great numbers in the cytoplasm near the cell wall, and consist of a colorless ground substance saturated with chlorophyll pigments. Under light of varying intensity they exhibit phototactic movements. In animals chloroplasts occur only in certain low forms.
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “chloroplast”, CC BY-SA 4.0. Details