• synonyms


[id-ee-uh-plaz-uh m]
noun Biology.
  1. germ plasm.
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Origin of idioplasm

First recorded in 1885–90; idio- + -plasm
Related formsid·i·o·plas·mic, id·i·o·plas·mat·ic [id-ee-oh-plaz-mat-ik] /ˌɪd i oʊ plæzˈmæt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for idioplasm

Historical Examples

  • But only such changes are transmissible to future generations as have resulted from modifications arising in the idioplasm.

    The Whence and the Whither of Man

    John Mason Tyler

  • It will be found that characters totally contradictory are ascribed to Weismann's idioplasm.

  • The presence of idioplasm in all parts containing the primary constituents does not help us in this respect.'

  • Hence along with perfected determinants the idioplasm always contains growing and incomplete determinants.

  • This constitutes the automatic perfecting process or progression of the idioplasm, and entropy of organic matter.

British Dictionary definitions for idioplasm


  1. another name for germ plasm
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Derived Formsidioplasmic or idioplasmatic (ˌɪdɪəʊplæzˈmætɪk), adjective
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