chloroplast
noun /ˈklɒrəplɑːst/
/ˈklɔːrəplæst/
(biology- the structure in plant cells that contains chlorophyll and in which photosynthesis takes place
Topics Biologyc2叶绿体 词源late 19th cent.: coined in German from Greek khlōros ‘green’ + plastos ‘formed’.