gravitropism

noun gra·vit·ro·pism \ grə-ˈvi-trə-ˌpi-zəm \

Definition of gravitropism

: a tropism (as of plant roots or shoots) in which gravity is the stimulus : geotropism
  • No matter what the orientation of a seed for instance, the roots will always grow down to the soil. This has a special name, gravitropism, and is movement in response to the force of gravity …
  • —Jeanette Mackay

Origin and Etymology of gravitropism


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