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cytotoxin

[sahy-tuh-tok-sin]
noun Immunology, Pharmacology.
  1. a substance that has a toxic effect on certain cells.
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Origin of cytotoxin

First recorded in 1900–05; cyto- + toxin
Related formscy·to·tox·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cytotoxic

cytotoxic

adjective
  1. poisonous to living cells: denoting certain drugs used in the treatment of leukaemia and other cancers
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Derived Formscytotoxicity (ˌsaɪtəʊtɒkˈsɪsɪtɪ), noun

cytotoxin

noun
  1. any substance that is poisonous to living cells
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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

Word Origin and History for cytotoxic

adj.

1902, from cyto- + toxic. Related: Cytotoxicity.

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Online Etymology Dictionary, © 2010 Douglas Harper

cytotoxic in Medicine

cytotoxic

(sī′tə-tŏksĭk)
adj.
  1. Of, relating to, or producing a toxic effect on cells.
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Related formscy′to•tox•ici•ty (-tŏk-sĭsĭ-tē) n.

cytotoxin

(sī′tə-tŏksĭn)
n.
  1. A substance having a specific toxic effect on certain cells.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.