ge·ot·ro·pism (j - t r -p z m)n. The growth of a living organism in response to gravity, as the downward growth of plant roots. ge o·tropic (j-tr pk, -trpk) adj.ge o·tropi·cal·ly adv. |
| geotropism (j-tr-pzm) 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 adjective (j -trpk, j-trpk) |
geotropism
Botany. the response of a plant to the force of gravity. — geotropic, adj.
See also: Gravity
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | geotropism - an orienting response to gravity tropism - an involuntary orienting response; positive or negative reaction to a stimulus source |
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