Also found in: Medical.
A small body, structure, particle, or granule, especially of living matter; cell: chloroplast.
n combining form
(Biology) indicating an organized living cell or particle of living matter: protoplast.
[from Greek plastos formed, from plassein to form]
a combining form meaning “living substance,” “organelle,” “cell”: chloroplast; protoplast; spheroplast.
[comb. form representing Greek plastós formed, molded, v. adj. of plássein to form, mold. compare plastic]