(physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration

（物理学）物質がその物質の高濃度領域から低濃度領域へ移動する過程

the process of totally saturating something with a substance

物質で完全に何かを飽和させるプロセス

impregnation with ammonia or a compound of ammonia

アンモニアやアンモニア化合物での浸透

saturation with carbon dioxide (as soda water)

二酸化炭素で飽和すること（例: 炭酸水）

cause to spread or flush or flood through, over, or across

広がる、浸す、または覆うような形で広げる・充満させる

to become overspread as with a fluid, a colour, a gleam of light

液体、色、光沢などで一面に広がる・満ちる