geotropic

American  

[jee-oh-trop-ik, -troh-pik] / ˌdʒi oʊˈtrɒp ɪk, -ˈtroʊ pɪk /

adjective

Biology.

1. of, relating to, or exhibiting geotropism.

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Other Word Forms

• geotropically adverb

Etymology

Origin of geotropic

First recorded in 1870–75; geo- + -tropic

Example Sentences

Perhaps there is something about the geotropic, burrowing urge that betrays a kind of deep-seated introspection – a desire to dig, to escape further from reality, to withdraw into a private fantasy world.

From The Guardian

Returning to pure science, no phenomena in plant life are so extremely varied or have yet been more incapable of generalisation than the "tropic" movements, such as the twining of tendrils, the heliotropic movements of some towards and of others away from light, and the opposite geotropic movements of the root and shoot, in the direction of gravitation or away from it.

From Project Gutenberg

Brassica oleracea: circumnutating and geotropic movement of radicle, traced on horizontal glass during 46 hours. fastened so as to project quite vertically upwards.

From Project Gutenberg

Occasionally the bead remained stationary for about an hour, and then probably growth occurred on the side opposite to that which caused the geotropic curvature.

From Project Gutenberg

As soon as the confluent petioles protrude from the seed they bend down, as they are strongly geotropic, and penetrate the ground.

From Project Gutenberg