肥ひ大だい成せい長ちょう

noun

secondary growth

Botanical term referring to the increase in thickness of stems and roots due to the activity of lateral meristems. Compare with 二次成長.

See also: 二次成長

• 樹じゅ木もくの肥ひ大だい成せい長ちょうは形けい成せい層そうの活かつ動どうによって起おこる。

  Secondary growth in trees occurs through the activity of the cambium.