a. (Chem.) Pertaining to, or derived from, glycerin. [ 1913 Webster ]
Glyceric acid (Chem.),
n. [ See Glycerin. ] (Chem.) A compound ether (formed from glycerin). Some glycerides exist ready formed as natural fats, others are produced artificially.
☞ It is obtained from fats by saponification, or, on a large scale, by the action of superheated steam. It is used as an ointment, as a solvent and vehicle for medicines, and as an adulterant in wine, beer, etc. [ 1913 Webster ]
n. (Med.) A medicinal preparation made by mixing or dissolving a substance in glycerin. [ 1913 Webster ]