chlo·ro·plast 
(klôrə-plăst′) also chlo·ro·plas·tid (klôr′ə-plăstĭd)
(klôrə-plăst′) also chlo·ro·plas·tid (klôr′ə-plăstĭd)n.
A plastid that contains chlorophyll and is found in the cells of green plants and algae.
[CHLORO- + PLAST(ID).]
chlo′ro·plastic (-plăstĭk) adj.