(cytology) Any of various organelles found in the cells of plants and algae, often concerned with photosynthesis

plural of plastid

(biology) Pertaining to, or composed of plastids

plural of plastide

Archaic form of plastid.

Alternative form of plastidial

Of or pertaining to a plastid

plural of plastidule

(biology) One of the small particles or organic molecules of protoplasm.

plural of plastidome