chemotaxis

[ kee-moh-tak-sis, kem-oh- ]
/ ˌki moʊˈtæk sɪs, ˌkɛm oʊ- /

noun Biology.

oriented movement toward or away from a chemical stimulus.

Origin of chemotaxis

First recorded in 1890–95; chemo- + -taxis

Related forms

che·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. 2019

Examples from the Web for chemotactic

  • 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

/ (ˌkɛməʊˈtæksɪs) /

noun

the movement of a microorganism or cell in response to a chemical stimulus

Derived Forms

chemotactic, 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

Medicine definitions for chemotactic (1 of 2)

chemotactic

[ kē′mō-tăktĭk ]

adj.

Of or relating to chemotaxis.

Medicine definitions for chemotactic (2 of 2)

chemotaxis

[ kē′mō-tăksĭs ]

n.

The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus.chemotropism
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for chemotactic

chemotaxis

[ kē′mō-tăksĭs, kĕm′ō- ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.