Ptȳ'a-līne, n.
(tī'a-līn), n. [Gr. πτύειν, to spit.] (Chem.) A soluble matter which constitutes a part of the saliva. It acts as a fermenting principle, and readily converts starch into sugar. Gregory.
(tī'a-līn), n. [Gr. πτύειν, to spit.] (Chem.) A soluble matter which constitutes a part of the saliva. It acts as a fermenting principle, and readily converts starch into sugar. Gregory.