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[ki-mo-truh-piz-uh m] /kɪˈmɒ trəˌpɪz əm/
noun, Biology.
oriented growth or movement in response to a chemical stimulus.
Origin of chemotropism
First recorded in 1895-1900; chemo- + -tropism
Related forms
[kee-muh-trop-ik, -troh-pik, kem-uh-] /ˌki məˈtrɒp ɪk, -ˈtroʊ pɪk, ˌkɛm ə-/ (Show IPA),
chemotropically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for chemotropism
Historical Examples
  • The act of seeking the female as well as that of cohabitation are in many cases combinations of chemotropism and stereotropism.

  • We have already alluded to certain phenomena of chemotropism in Chapter IV.

  • Herbst pointed out that this might be a case of chemotropism, caused by the oxygen surrounding the egg.

    Darwin and Modern Science A.C. Seward and Others
  • It is chemotropism, not solicitude for its offspring, which drives the flesh fly to lay its eggs on decaying meat.

    Being Well-Born Michael F. Guyer
British Dictionary definitions for chemotropism


the growth response of an organism, esp a plant, to a chemical stimulus
Derived Forms
chemotropic (ˌkɛməʊˈtrɒpɪk) adjective
chemotropically, adverb
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
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chemotropism in Medicine

chemotropism che·mot·ro·pism (kĭ-mŏt'rə-pĭz'əm)
See chemotaxis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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