[ proh-tuh-plaz-uhm ]
/ ˈproʊ təˌplæz əm /
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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.
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OTHER WORDS FROM protoplasmpro·to·plas·mic, pro·to·plas·mal, pro·to·plas·mat·ic [proh-toh-plaz-mat-ik], /ˌproʊ toʊ plæzˈmæt ɪk/, adjectivein·ter·pro·to·plas·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use protoplasm in a sentence
The researchers identified two candidate proteins and found that, without them, injured fungi catastrophically bled out into a puddle of protoplasm.A Newfound Source of Cellular Order in the Chemistry of Life|Viviane Callier|January 7, 2021|Quanta Magazine
The same change also occurs in the protoplasmic processes which connect the masses of corpuscles.
Certain of these cells become flattened, and send out fine protoplasmic processes.
The nuclei arrange themselves so as completely to surround the exterior of the protoplasmic processes.
Another interesting feature about the yolk is the presence in it of a protoplasmic network.
The bulk of the ovum is composed of yolk spherules, imbedded in a protoplasmic matrix.
British Dictionary definitions for protoplasm
/ (ˈprəʊtəˌplæzəm) /
biology the living contents of a cell, differentiated into cytoplasm and nucleoplasm
Derived forms of protoplasmprotoplasmic, 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
Scientific definitions for protoplasm
[ prō′tə-plăz′əm ]
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.
Cultural definitions for protoplasm
[ (proh-tuh-plaz-uhm) ]
The jellylike material in a cell, both inside and outside the nucleus, where the chemical reactions that support life take place.
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.