geotropic

[jee-oh-trop-ik, -troh-pik]

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

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Historical Examples of geotropic


geotropic in Science

geotropism

[jē-ŏtrə-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
Related formsgeotropic adjective (jē′ə-trōpĭk, jē′ə-trŏpĭk)
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