Dictionary.com
Thesaurus.com
Showing results for geotaxis. Search instead for biotaxis.

geotaxis

American  
[jee-oh-tak-sis] / ˌdʒi oʊˈtæk sɪs /

noun

Biology.

  1. oriented movement of a motile organism toward or away from a gravitational force.

geotaxis British  
/ ˌdʒiːəʊˈtæksɪs /

noun

  1. movement of an organism in response to the stimulus of gravity

"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

Other Word Forms

  • geotactic adjective
  • geotactically adverb

Etymology

Origin of geotaxis

First recorded in 1960–65; geo- + -taxis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.