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
Secondary growth in trees occurs through the activity of the cambium.
Synonymous; 肥大成長 is more descriptive of the thickening process, while 二次成長 is the standard technical term.
Standard botanical term for secondary growth.
Variant spelling using 生長; less common but seen in some contexts.
Compound of 肥大 (ひだい, 'enlargement, thickening') and 成長 (せいちょう, 'growth').