osmosis マイ単語帳に追加

浸透

(biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal.

双方の濃度が等しくなるまで、高い濃度のところから低い濃度のところに分子が半透膜を通って拡散すること。