使饱和的饱和剂
Saturant \Sat"u*rant\, n. 1. (Chem.) A substance used to neutralize or saturate the affinity of another substance. 2. (Med.) An antacid, as magnesia, used to correct acidity of the stomach. Saturant \Sat"u*rant\, a. [L. saturans, p. pr. See {Saturate}.] Impregnating to the full; saturating.