- The definition of geotropism is the growth of a plant or immovable animal in response to the force of gravity.
An example of geotropism is the roots of a plant growing down into the ground.
geotropism definition by Webster's New World
any positive (or negative) movement or growth of a plant or sessile animal in response to (or against) the force of gravity
Origin: geo- plush -tropism
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- geotropic adjective
geotropism definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The growth of a living organism in response to gravity, as the downward growth of plant roots.
- geˌo·troˈpic adjective
- geˌo·troˈpi·cal·ly adverb
geotropism - Science Definition
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.
- geotropic geotropic adjective