See Also: geotropism(medicine)
geotropism(dictionary)
geotropism (iou)
geotropism noun. L19.
[from GEO- + Greek trope turning + -ISM.]
Botany. The growth of part of a plant in response to gravity.
negative geotropism tendency (of stems etc.) to grow upwards. positive geotropism tendency (of roots etc.) to grow downwards.
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