geotropic

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

/ ˌdʒi oʊˈtrɒp ɪk, -ˈtroʊ pɪk /

adjective Biology.

of, relating to, or exhibiting geotropism.

Nearby words

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. 2019

Examples from the Web for geotropic

I shall now describe the effect of rising temperature on geotropic curvature in general, including torsion.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
It was possible to repeat the geotropic stimulation six times in succession, the results being perfectly consistent.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
The conditions of perfect symmetry for study of geotropic action at various angles will be fully described in the next chapter.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose
Rise of temperature opposes or neutralises the geotropic curvature; fall of temperature, on the other hand, accentuates it.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose

The geotropic curvature and torsion are increased by lowering of temperature, and decreased by rise of temperature.
Life Movements in Plants, Volume II, 1919|Sir Jagadis Chunder Bose

Science definitions for geotropic

geotropism

[ jē-ŏt′rə-pĭz′əm ]

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-trō′pĭk, jē′ə-trŏp′ĭk)