EXAMPLES | WORD ORIGIN noun . Biology oriented growth with respect to the force of gravity. Origin of geotropism
First recorded in
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for geotropism Historical Examples of geotropism British Dictionary definitions for geotropism noun the response of a plant part to the stimulus of gravity. Plant stems, which grow upwards irrespective of the position in which they are placed, show negative geotropism Derived Forms geotropic ( ˌdʒiːəʊˈtrɒpɪk), adjective geotropically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for geotropism n.
1874, from German
Geotropismus, from geo- + Greek trope (see trope). Coined in 1868 by German botanist Albert Bernhard Frank (1839-1900). Related: Geotropic.
Online Etymology Dictionary, © 2010 Douglas Harper
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 forms geotropic adjective ( jē′ə-trō) ′pĭk, jē′ə-trŏp ′ĭk
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