Webster's Dictionary, 1913

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Glycocholate noun [ Glyco coll + chol ic.] (Physiol. Chem.) A salt of glycocholic acid; as, sodium glycocholate .

Glycocholic adjective (Physiol. Chem.) Pertaining to, or composed of, glycocoll and cholic acid.

Glycocholic acid (Physiol. Chem.) , a conjugate acid, composed of glycocoll and cholic acid, present in bile in the form of a sodium salt. The acid commonly forms a resinous mass, but can be crystallized in long, white needles.

Glycocin noun [ Glycoc oll + -in .] (Physiol. Chem.) Same as Glycocoll .

Glycocoll noun [ Greek glyky`s sweet + ko`lla glue.] (Physiol. Chem.) A crystalline, nitrogenous substance, with a sweet taste, formed from hippuric acid by boiling with hydrochloric acid, and present in bile united with cholic acid. It is also formed from gelatin by decomposition with acids. Chemically, it is amido-acetic acid. Called also glycin , and glycocin .

Glycogen noun [ Greek ... sweet + -gen : confer French glycogène .] (Physiol. Chem.) A white, amorphous, tasteless substance resembling starch, soluble in water to an opalescent fluid. It is found abundantly in the liver of most animals, and in small quantity in other organs and tissues, particularly in the embryo. It is quickly changed into sugar when boiled with dilute sulphuric or hydrochloric acid, and also by the action of amylolytic ferments.

Glycogenic adjective Pertaining to, or caused by, glycogen; as, the glycogenic function of the liver.

Glycogeny, Glycogenesis noun (Physiol.) The production or formation of sugar from gycogen, as in the liver.

Glycol noun [ Glycerin + - ol . See Glycerin .] (Chemistry) (a) A thick, colorless liquid, C 2 H 4 (OH) 2 , of a sweetish taste, produced artificially from certain ethylene compounds. It is a diacid alcohol, intermediate between ordinary ethyl alcohol and glycerin. (b) Any one of the large class of diacid alcohols, of which glycol proper is the type.

Glycolic adjective (Chemistry) Pertaining to, or derived from, glycol; as, glycolic ether; glycolic acid.

Glycolic acid (Chemistry) , an organic acid, found naturally in unripe grapes and in the leaves of the wild grape ( Ampelopsis quinquefolia ), and produced artificially in many ways, as by the oxidation of glycol , -- whence its name. It is a sirupy, or white crystalline, substance, HO.CH 2 .CO 2 H, has the properties both of an alcohol and an acid, and is a type of the hydroxy acids; -- called also hydroxyacetic acid .

Glycolide noun [ Glycol + anhydr ide .] (Chemistry) A white amorphous powder, C 4 H 4 O, obtained by heating and dehydrating glycolic acid. [ Written also glycollide .]

Glycoluric adjective [ Glycol + uric .] (Chemistry) Pertaining to, derived from, glycol and urea; as, glycoluric acid, which is called also hydantoic acid .

Glycoluril noun [ Glycol yl + ur ic.] (Chemistry) A white, crystalline, nitrogenous substance, obtained by the reduction of allantoïn.

Glycolyl noun [ Glycol ic + -yl .] (Chemistry) A divalent, compound radical, CO.CH 2 , regarded as the essential radical of glycolic acid, and a large series of related compounds.

Glyconian adjective & noun Glyconic.

Glyconic adjective [ Greek ... a kind of verse, so called from its inventor, Glycon .] (Pros.) Consisting of a spondee, a choriamb, and a pyrrhic; -- applied to a kind of verse in Greek and Latin poetry. -- noun (Pros.) A glyconic verse.

Glyconin noun An emulsion of glycerin and the yolk of eggs, used as an ointment, as a vehicle for medicines, etc.

Glycose noun [ Greek ... sweet + - ose .] (Physiol. Chem.) One of a class of carbohydrates having from three to nine atoms of carbon in the molecules and having the constitution either of an aldehyde alcohol or of a ketone alcohol. Most glycoses have hydrogen and oxygen present in the proportion to form water, while the number of carbon atoms is usually equal to the number of atoms of oxygen.

Glycosine noun (Chemistry) An organic base, C 6 H 6 N 4 , produced artificially as a white, crystalline powder, by the action of ammonia on glyoxal.

Glycosometer noun [ Greek ... sweet + -meter .] (Medicine) An apparatus for determining the amount of sugar in diabetic urine.

Glycosuria noun (Medicine) Same as Glucosuria .

Glycyrrhiza noun [ Latin , from Greek ...; ... sweet + ... root. Confer Licorice .]

1. (Botany) A genus of papilionaceous herbaceous plants, one species of which ( G. glabra ), is the licorice plant, the roots of which have a bittersweet mucilaginous taste.

2. (Medicine) The root of Glycyrrhiza glabra (liquorice root), used as a demulcent, etc.

Glycyrrhizimic adjective (Chemistry) From, or pertaining to, glycyrrhizin; as, glycyrrhizimic acid.

Glycyrrhizin noun [ Confer French glycyrrhizine . See Glycyrrhiza .] (Chemistry) A glucoside found in licorice root ( Glycyrrhiza ), in monesia bark ( Chrysophyllum ), in the root of the walnut, etc., and extracted as a yellow, amorphous powder, of a bittersweet taste.

Glyn, Glynne noun A glen. See Glen . [ Obsolete singly, but occurring often in locative names in Ireland, as Glen does in Scotland.]

He could not beat out the Irish, yet he did shut them up within those narrow corners and glyns under the mountain's foot.

Glyoxal noun [ Gly col + ox alic + al dehyde.] (Chemistry) A white, amorphous, deliquescent powder, (CO.H) 2 , obtained by the partial oxidation of glycol. It is a double aldehyde, between glycol and oxalic acid.

Glyoxalic adjective (Chemistry) Pertaining to, or designating, an aldehyde acid, intermediate between glycol and oxalic acid. [ Written also glyoxylic .]

Glyoxaline noun (Chemistry) A white, crystalline, organic base, C 3 H 4 N 2 , produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline .

Glyoxime noun [ Gly oxal + oxime .] (Chemistry) A white, crystalline, nitrogenous substance, produced by the action of hydroxylamine on glyoxal, and belonging to the class of oximes ; also, any one of a group of substances resembling glyoxime proper, and of which it is a type. See Oxime .

Glyph (glĭf) noun [ Greek glyfh` carving, from gly`fein to carve: confer French glyphe . Confer Cleave to split.] (Architecture) A sunken channel or groove, usually vertical. See Triglyph .

Glyph noun (Archæol.) A carved figure or character, incised or in relief; a carved pictograph; hence, a pictograph representing a form originally adopted for sculpture, whether carved or painted.

Glyphic adjective [ Greek ... of or for carving.] (Fine Arts) Of or pertaining to sculpture or carving of any sort, esp. to glyphs.

Glyphograph noun A plate made by glyphography, or an impression taken from such a plate.

Glyphographic adjective Of or pertaining to glyphography.

Glyphography noun [ Greek ... to engrave + -graphy .] A process similar to etching, in which, by means of voltaic electricity, a raised copy of a drawing is made, so that it can be used to print from.

Glyptic adjective [ See Glyph .]

1. Of or pertaining to gem engraving.

2. (Min.) Figured; marked as with figures.

Glyptics noun [ Confer French glyptique . See Glyph .] The art of engraving on precious stones.

Glyptodon noun [ Greek ... carved, engraved + ..., ..., tooth. See Glyph .] (Paleon.) An extinct South American quaternary mammal, allied to the armadillos. It was as large as an ox, was covered with tessellated scales, and had fluted teeth. Owen.

Glyptodont noun (Paleon.) One of a family ( Glyptodontidæ ) of extinct South American edentates, of which Glyptodon is the type. About twenty species are known.

Glyptographic adjective [ Confer French glyptographique .] Relating to glyptography, or the art of engraving on precious stones. [ R.]

Glyptography noun [ Greek ... carved + -graphy : confer French glyptographie .] The art or process of engraving on precious stones. [ R.]

Glyptotheca noun [ New Latin , from Greek ... carved + ... case, box.] A building or room devoted to works of sculpture.

Glyster noun (Medicine) Same as Clyster .

Gmelinite noun [ Named after the German chemist Gmelin .] (Min.) A rhombohedral zeolitic mineral, related in form and composition to chabazite.

Gnaphalium noun [ Nl., from Greek ... wool of the teasel.] (Botany) A genus of composite plants with white or colored dry and persistent involucres; a kind of everlasting.

Gnar noun [ Middle English knarre , gnarre , akin to OD. knor , German knorren . Confer Knar , Knur , Gnarl .] A knot or gnarl in wood; hence, a tough, thickset man; -- written also gnarr . [ Archaic]

He was . . . a thick gnarre .

Gnar intransitive verb [ imperfect & past participle Gnarred ; present participle & verbal noun Gnarring .] [ See Gnarl .] To gnarl; to snarl; to growl; -- written also gnarr . [ Archaic]

At them he gan to rear his bristles strong,
And felly gnarre .

A thousand wants
Gnarr at the heels of men.

Gnarl intransitive verb [ imperfect & past participle Gnarled ; present participle & verbal noun Gnarling .] [ From older gnar , probably of imitative origin; confer German knarren , knurren . Dutch knorren , Swedish knorra , Danish knurre .] To growl; to snarl.

And wolves are gnarling who shall gnaw thee first.

Gnarl noun [ See Gnar , noun ] a knot in wood; a large or hard knot, or a protuberance with twisted grain, on a tree.

Gnarled adjective Knotty; full of knots or gnarls; twisted; crossgrained.

The unwedgeable and gnarléd oak.

Gnarly adjective Full of knots; knotty; twisted; crossgrained.