As an adjective protoplastic
is of, or relating to protoplast.
As a noun protoplastid is
an immature plastid that is incapable of photosynthesis.
protoplastic
English
Adjective
(head)
of, or relating to protoplast
(obsolete) prototypical
protoplastid
English
Noun
(
en noun)
(biology) An immature plastid that is incapable of photosynthesis