=Glucosum (Glucos.), Glucose, U.S.P.= (Syrupy Glucose, Liquid Glucose).--Chiefly dextrose (d-glucose) and dextrins. Colorless or nearly colorless, odorless or nearly odorless, thick, syrupy, sweet liquid. Soluble in water, sparingly soluble in alcohol. ACTION AND USES: Pill excipient. Pure dextrose is also employed in saline injections =*Glycerinum (Glycerin.), Glycerin, U.S.P.= (Glycerol).--C{3}H{5}(OH){3}. A colorless, syrupy, practically odorless liquid, with a sweet taste, and producing a sensation of warmth in the mouth. Miscible with water and alcohol; insoluble in chloroform or ether. ACTION AND USES: Used as solvent, sweetening agent, demulcent and emollient. The enema or suppositories are promptly evacuant. DOSAGE: 4 Cc. or 1 fluidrachm (U.S.P.). _*Suppositoria Glycerini (Supp. Glycerin.), Suppositories of Glycerin, U.S.P._--Glycerin with a stearic acid soap. USES: Rectal evacuant. _Suppositoria Boroglycerini (Suppos. Boroglycer.), Suppositories of Boroglycerin, N.F._--Glycerite of boroglycerin (7.5%) with glycerinated gelatin and glycerin. USES: Antiseptic evacuant. =GLYCERITA, GLYCERITES.=--Solutions of medicinal substances in glycerin. For the various glycerites, see under the names of the principal ingredients. For Glyceritum Boroglycerini, see under =Acidum Boricum=; for Glyceritum Vitelli, see under =Ovi Vitellum Recens=. =*Glycerylis Nitras, Glyceryl Trinitrate= (Nitroglycerin, Trinitrin, Glonoin).--C{3}H{5}(NO{3}){3}. ACTION AND USES: Vasodilator, acting more slowly than amyl nitrite. _Pilulae Glycerylis Nitratis (Pil. Glycer. Nit.), Pills of Nitroglycerin, N.F._ (Pilulae Glonoini, N.F. III, Pills of Glonoin).--Each pill contains spirit of glyceryl trinitrate and althaea (each 0.065 Gm. or 1 grain) with confection of rose. USES: Inferior to the tablets. DOSAGE: 1 pill (N.F.). _*Spiritus Glycerylis Nitratis (Sp. Glyceryl. Nit.), Spirit of Glyceryl Trinitrate, U.S.P._ (Spirit of Glonoin, Spirit of Nitroglycerin).--Glyceryl trinitrate (about 1%) in alcohol. DOSAGE: 0.05 Cc. or 1 minim (U.S.P.) dropped on the tongue =*Glycyrrhiza (Glycyrrh.), Glycyrrhiza, U.S.P.= (Licorice, Liquorice Root). ACTION AND USES: Used to disguise the taste of drugs and as demulcent expectorant. The preparations are incompatible with acids. DOSAGE: 2 Gm. or 30 grains (U.S.P.). _Elixir Glycyrrhizae and Elixir Glycyrrhizae Aromaticum._--See under =Alcohol=. _Elixir Glycyrrhizae Aquosum (Elix. Glycyrrh. Aq.), Aqueous Elixir of Glycyrrhiza, N.F._ (Aqueous Elixir of Licorice).--Fluidextract of glycyrrhiza (15%), compound spirit of cardamom, stronger orange flower water, glycerin, syrup and distilled water. Absolute alcohol content about 3 per cent. DOSAGE: 8 Cc. or 2 fluidrachms. _Extractum Glycyrrhizae (Ext. Glycyrrh.), Extract of Glycyrrhiza, U.S.P._ (Extract of Licorice).--The commercial extract of glycyrrhiza. Incompletely soluble in water (60%).