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geostrophic
geosynchronous
geosyncline
geotaxis
geotectonic
geothermal
geothermal energy
geothermal gradient
geotropism
Ger.
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geotropism
ge·ot·ro·pism [ jee óttrə pìzzəm ]


noun 
Definition:
 
plant growth related to gravity: plant growth or movement in response to gravity. Upward growth of plant parts, against gravity, is called negative geotropism, and downward growth of roots is called positive geotropism.

ge·o·tro·pic [ j ə trṓpik, j ə tróppik ] adjective
ge·o·tro·pi·cal·ly adverb
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