元となった辞書の項目
収斂
verb
(medicine) to astringe; to make astringent / (physics) to concentrate light; (physics, of light) to concentrate / (biology, of evolution) to converge; to be convergent
意味（1）
(medicine) to astringe; to make astringent
意味（2）
(physics) to concentrate light; (physics, of light) to concentrate
意味（3）
(biology, of evolution) to converge; to be convergent
