1. To impregnate to the greatest possible extent. 2. To neutralize; to satisfy all the chemical affinities of a substance (as by converting all double bonds to single bonds). 3. To dissolve a substance up to that concentration beyond which the addition of more results in two phases. [L. saturo, pp. -atus, to fill, fr. satur, sated]
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sat·u·rate 'sach-ə-.rāt vt, -rat·ed; -rat·ing
1) to treat, furnish, or charge with something to the point where no more can be absorbed, dissolved, or retained <water saturated with salt> <a bandage saturated with blood>
2) to cause to combine till there is no further tendency to combine
sat·u·rate -rət n a saturated chemical compound
Medical dictionary. 2011.