- the contents of a cell within the cell membrane, considered as a fundamental entity.
- the primordial living unit or cell.
Origin of protoplast
Related formspro·to·plas·tic, adjective
Examples from the Web for protoplast
For this, the simplest form of the protoplast community is a single pair.Opuscula|Robert Gordon Latham
The differentiation into nucleus and cytoplasm represents a division of labour in the protoplast.Darwin and Modern Science|A.C. Seward and Others
He furrowed his protoplast brow that looked as youthful as it had a century ago.
I came out of the chamber all protoplast except for the spinal zone.
Verse cxxiv., protoplast, the original, the thing first formed.The Browning Cyclopdia|Edward Berdoe