[ 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

che·mo·trop·ic [kee-muh-trop-ik, -troh-pik, kem-uh-] /ˌki məˈtrɒp ɪk, -ˈtroʊ pɪk, ˌkɛm ə-/, adjectiveche·mo·trop·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chemotropism

  • The act of seeking the female as well as that of cohabitation are in many cases combinations of chemotropism and stereotropism.

  • 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
  • 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

British Dictionary definitions for chemotropism


/ (ˌkɛməʊˈtrəʊˌpɪzəm) /


the growth response of an organism, esp a plant, to a chemical stimulus

Derived Forms

chemotropic (ˌkɛməʊˈtrɒpɪk), adjectivechemotropically, 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

Medicine definitions for chemotropism


[ kĭ-mŏtrə-pĭz′əm ]


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