follow Dictionary.com

Stories We Like: Novels For Language Lovers

protoplast

[proh-tuh-plast] /ˈproʊ təˌplæst/
noun
1.
Biology.
  1. the contents of a cell within the cell membrane, considered as a fundamental entity.
  2. the primordial living unit or cell.
2.
a person or thing that is formed first; original; prototype.
3.
the hypothetical first individual or one of the supposed first pair of a species or the like.
Origin
1525-1535
1525-35; < Late Latin prōtoplastus the first man, noun use of Greek prōtóplastos formed first. See proto-, -plast
Related forms
protoplastic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for protoplast

protoplast

/ˈprəʊtəˌplæst/
noun
1.
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
Derived Forms
protoplastic, adjective
Word Origin
C16: from Late Latin prōtoplastus the first-formed, from Greek prōtoplastos, from proto- + plassein to shape
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
protoplast in Medicine

protoplast pro·to·plast (prō'tə-plāst')
n.

  1. The living material of a plant or bacterial cell, including the protoplasm and plasma membrane after the cell wall has been removed.

  2. 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.
Cite This Source

Word of the Day

Slide the arrow to see easier and harder words for protoplast
Easy Moderate Difficult

Word Value for protoplast

14
0
Scrabble Words With Friends