geotropic
/dʒiː.əˈtrɒpɪk/Definitions
1. adjective
Having or showing a tendency to grow or move in response to gravity.
“The geotropic roots of the plant helped it to grow downwards towards the ground.”
2. adjective
Directed or moving towards the centre of the Earth.
“The geotropic compass is a device used to determine geographical directions.”
3. noun
A plant growth or movement in response to gravity.
“The geotropic response of the seedling was very noticeable as it grew towards the ground.”