屈くっ地ち性せい

noun

geotropism

Scientific term in botany; refers to growth or movement of a plant in response to gravity.

• 根ねの屈くっ地ち性せいは、重じゅう力りょくの方ほう向こうに従したがって成せい長ちょうする性せい質しつです。

  Root geotropism is the property of growing in the direction of gravity.