geotropism
nounUK /d͡ʒiˈɒt.ɹəˌpɪz.əm/ · US /d͡ʒiˈɑt.ɹəˌpɪz.əm/
Etymology From geo- (“earth”) + -tropism, due to growth towards or away from the earth.
1
Biology, Natural sciences The movement of a plant in response to gravity (either downwards or upwards).
- Derived terms
- diageotropism