\Sat"u*rant\, a. [L. saturans, p. pr. See {Saturate}.]
Impregnating to the full; saturating.

\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.