Glycocin Gly"co·cin noun [
Glycoc oll +
-in .]
(Physiol. Chem.) Same as Glycocoll .
Glycocoll Gly"co·coll 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 Gly"co·gen 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 Gly`co·gen"ic adjective Pertaining to, or caused by, glycogen; as, the glycogenic function of the liver.
Glycogeny, Glycogenesis Gly·cog"e·ny, Gly`co·gen"e·sis noun (Physiol.) The production or formation of sugar from gycogen, as in the liver.
Glycol Gly"col 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 Gly·col"ic 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 Gly"co·lide 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 Gly`co·lu"ric adjective [
Glycol +
uric .]
(Chemistry) Pertaining to, derived from, glycol and urea; as, glycoluric acid, which is called also hydantoic acid .
Glycoluril Gly`co·lu"ril noun [
Glycol yl +
ur ic.]
(Chemistry) A white, crystalline, nitrogenous substance, obtained by the reduction of allantoïn.
Glycolyl Gly"co·lyl 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 Gly·co"ni·an adjective & noun Glyconic.
Glyconic Gly·con"ic 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 Gly"co·nin noun An emulsion of glycerin and the yolk of eggs, used as an ointment, as a vehicle for medicines, etc.
Glycose Gly"cose 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 Gly"co·sine 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 Gly`co·som"e·ter noun [ Greek ... sweet +
-meter .]
(Medicine) An apparatus for determining the amount of sugar in diabetic urine.
Glycosuria Gly`co·su"ri·a noun (Medicine) Same as Glucosuria .
Glycyrrhiza Glyc`yr·rhi"za 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 Glyc`yr·rhi·zim"ic adjective (Chemistry) From, or pertaining to, glycyrrhizin; as, glycyrrhizimic acid.
Glycyrrhizin Gly·cyr"rhi·zin 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 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.
Spenser.
Glyoxal Gly·ox"al 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 Gly`ox·al"ic adjective (Chemistry) Pertaining to, or designating, an aldehyde acid, intermediate between glycol and oxalic acid. [ Written also
glyoxylic .]
Glyoxaline Gly·ox"a·line 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 Gly·ox"ime 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 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 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 Glyph"ic adjective [ Greek ... of or for carving.]
(Fine Arts) Of or pertaining to sculpture or carving of any sort, esp. to glyphs.
Glyphograph Glyph"o·graph noun A plate made by glyphography, or an impression taken from such a plate.
Glyphographic Glyph`o·graph"ic adjective Of or pertaining to glyphography.
Glyphography Gly·phog"ra·phy 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 Glyp"tic adjective [ See
Glyph .]
1. Of or pertaining to gem engraving. 2. (Min.) Figured; marked as with figures.
Glyptics Glyp"tics noun [ Confer French
glyptique . See
Glyph .]
The art of engraving on precious stones.
Glyptodon Glyp"to·don 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 Glyp"to·dont noun (Paleon.) One of a family ( Glyptodontidæ ) of extinct South American edentates, of which Glyptodon is the type. About twenty species are known.
Glyptographic Glyp`to·graph"ic adjective [ Confer French
glyptographique .]
Relating to glyptography, or the art of engraving on precious stones. [ R.]
Glyptography Glyp·tog"ra·phy noun [ Greek ... carved +
-graphy : confer French
glyptographie .]
The art or process of engraving on precious stones. [ R.]
Glyptotheca Glyp`to·the"ca noun [ New Latin , from Greek ... carved + ... case, box.]
A building or room devoted to works of sculpture.
Glyster Glys"ter noun (Medicine) Same as Clyster .
Gmelinite Gmel"in·ite noun [ Named after the German chemist
Gmelin .]
(Min.) A rhombohedral zeolitic mineral, related in form and composition to chabazite.
Gnaphalium Gna·pha"li·um 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 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 .
Chaucer.
Gnar 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 .
Spenser. A thousand wants
Gnarr at the heels of men.
Tennison.
Gnarl 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.
Shak.
Gnarl Gnarl noun [ See
Gnar ,
noun ]
a knot in wood; a large or hard knot, or a protuberance with twisted grain, on a tree.
Gnarled Gnarled adjective Knotty; full of knots or gnarls; twisted; crossgrained. The unwedgeable and gnarléd oak.
Shak.
Gnarly Gnarl"y adjective Full of knots; knotty; twisted; crossgrained.
Gnash Gnash transitive verb [
imperfect & past participle Gnashed ;
present participle & verbal noun Gnashing .] [ Middle English
gnasten ,
gnaisten , confer Icelandic
gnastan a gnashing,
gn...sta to gnash, Danish
knaske , Swedish
gnissla , Dutch
knarsen , German
knirschen .]
To strike together, as in anger or pain; as, to gnash the teeth.
Gnash Gnash intransitive verb To grind or strike the teeth together. There they him laid,
Gnashing for anguish, and despite, and shame.
Milton.
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