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geotropic

[jee-oh-trop-ik, -troh-pik]
See more synonyms for geotropic on Thesaurus.com
adjective Biology.
  1. of, relating to, or exhibiting geotropism.
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Origin of geotropic

First recorded in 1870–75; geo- + -tropic
Related formsge·o·trop·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for geotropic

Historical Examples

  • The procumbent stem curved up and attained a state of equilibrium under the action of geotropic stimulus.

    Life Movements in Plants

    Sir Jagadis Chunder Bose

  • The geotropic curvature was reduced to its minimum at the maximum temperature, and vice vers.

    Life Movements in Plants

    Sir Jagadis Chunder Bose

  • The movement is primarily determined by the modifying influence of temperature on geotropic curvature.

    Life Movements in Plants

    Sir Jagadis Chunder Bose

  • Red light R, is ineffective, and geotropic torsion is restored.

  • According to this test, the geotropic response of the stem is positive.

geotropic in Science

geotropism

[jē-ŏt′rə-pĭz′əm]
  1. The directional growth of an organism in response to gravity. Roots display positive geotropism when they grow downwards, while shoots display negative geotropism when they grow upwards. Also called gravitropism
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Related formsgeotropic adjective (jē′ə-trō′pĭk, jē′ə-trŏp′ĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.