nf. plastid, corpuscle in the cytoplasm of plant cells which has several various functions (Biology)

nm. plastid, corpuscle in the cytoplasm of plant cells which has several various functions (Biology)

(n.)
One of the many minute granules found in the protoplasm of vegetable cells. They are divided by their colors into three classes, chloroplastids, chromoplastids, and leucoplastids.
  

(n.)
A formative particle of albuminous matter; a monad; a cytode. See the Note under Morphon.