Dictionary.com
definitions
  • synonyms

chemotaxis

[kee-moh-tak-sis, kem-oh-]
noun Biology.
  1. oriented movement toward or away from a chemical stimulus.
Show More

Origin of chemotaxis

First recorded in 1890–95; chemo- + -taxis
Related formsche·mo·tac·tic [kee-moh-tak-tik, kem-oh-] /ˌki moʊˈtæk tɪk, ˌkɛm oʊ-/, adjectiveche·mo·tac·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chemotactic

Historical Examples

  • Life is not the product or the slave of any chemotactic forces, but their maker and steersman.

    Parallel Paths

    Thomas William Rolleston


British Dictionary definitions for chemotactic

chemotaxis

noun
  1. the movement of a microorganism or cell in response to a chemical stimulus
Show More
Derived Formschemotactic, adjectivechemotactically, 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

Word Origin and History for chemotactic

chemotaxis

n.

1891, coined in German, 1888, by German botanist Wilhelm Pfeffer (1845-1920) from chemo- + Greek taxis "arrangement" (see taxidermy).

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

chemotactic in Medicine

chemotactic

(kē′mō-tăktĭk)
adj.
  1. Of or relating to chemotaxis.
Show More

chemotaxis

(kē′mō-tăksĭs)
n.
  1. The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus.chemotropism
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

chemotactic in Science

chemotaxis

[kē′mō-tăksĭs, kĕm′ō-]
  1. The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus. Bacteria exhibit chemotaxis when they move toward a source of nutrients.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.