- the contents of a cell within the cell membrane, considered as a fundamental entity.
- the primordial living unit or cell.
- a person or thing that is formed first; original; prototype.
- the hypothetical first individual or one of the supposed first pair of a species or the like.
Origin of protoplast
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for protoplast
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.
For this, the simplest form of the protoplast community is a single pair.Opuscula
Robert Gordon Latham
Verse cxxiv., protoplast, the original, the thing first formed.The Browning Cyclopdia
Fortunately the time was already past when protoplast patients were looked upon as something mildly freakish and to be pitied.
- a unit consisting of the living parts of a cell, including the protoplasm and cell membrane but not the vacuoles or (in plants) the cell wall
C16: from Late Latin prōtoplastus the first-formed, from Greek prōtoplastos, from proto- + plassein to shape
- The living material of a plant or bacterial cell, including the protoplasm and plasma membrane after the cell wall has been removed.
- One that is the first made or formed; a prototype.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.