protoplasm [ proh-t uh-plaz- uh m ] SHOW IPA / ˈproʊ təˌplæz əm / PHONETIC RESPELLING EXAMPLES | WORD ORIGIN noun . Biology (no longer in technical use) the colloidal and liquid substance of which cells are formed, excluding horny, chitinous, and other structural material; the cytoplasm and nucleus. . Obsolete the living matter of organisms regarded as the physical basis of life, having the ability to sense and conduct stimuli. Nearby words protopectin
protoporphyria Origin of protoplasm
dating back to
-plasm Related forms pro·to·plas·mic, pro·to·plas·mal, pro·to·plas·mat·ic , [proh-toh-plaz- mat-ik] /ˌproʊ toʊ plæzˈmæt ɪk/ adjective in·ter·pro·to·plas·mic, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for protoplasmic
The finger I saw was solid and material; what it drew after it was neither, or was in a nebulous,
In all essential features these masses conform to the type of
protoplasmic matter just described.
He refers to the time before he knew her as his “
protoplasmic state,” as indeed it was.
It was an amoeba, another of those single-celled,
protoplasmic mounds of flesh. British Dictionary definitions for protoplasmic noun biology the living contents of a cell, differentiated into cytoplasm and nucleoplasm Derived Forms protoplasmic, adjective Word Origin for protoplasm
C19: from New Latin, from
proto- + Greek plasma form
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
Medicine definitions for protoplasmic n. The complex, semifluid, translucent substance that constitutes the living matter of plant and animal cells and manifests the essential life functions of a cell. Composed of proteins, fats, and other molecules suspended in water, it includes the nucleus and cytoplasm. Related forms pro′to•plas ( ′mic -plăz) ′mĭk adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for protoplasmic The semifluid, translucent substance that forms the living matter in all plant and animal cells. Composed of proteins, fats, and other substances suspended in water, it includes the cytoplasm and (in eukaryotes) the nucleus.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for protoplasmic
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.