GLOSSARY. 



73 



Glu'teal 'Gr. yXovros, glou'tos, the 

 hinder region). Belonging to the 

 buttocks. 



Gluten (Lat. glue). An insoluble 

 substance obtained from wheat-flour 

 by washing with water and straining. 



Glyc'erine (Gr.y\vicvs, glukus, sweet). 

 An organic substance existing in 

 fats and oils, and obtained by 

 saponifying them with an alkali or 

 with oxide of lead. 



Glycogen'esis (Gr. yXvKvs, glukus, 

 sweet ; yevvau, genna'd, I produce). 

 The formation of sugar in the ani- 

 mal body. 



Glyphog'raphy (Gr. y\v<fxa, glupko, 

 I engrave ; ypatyw, grapho, I write). 

 A process by which designs are en- 

 graved on a coating of wax or other 

 soft substance spread on a metal, a 

 sheet of other metal being then depo- 

 sited on it by the electrotype process. 



Glyptothe'ca (Gr. y\v<j>ca, glupko, I 

 engt'ave ; TI&TJ/JLI, titkcmi, I place). 

 A building or room for preserving 

 works of sculpture. 



Gneiss. A hard tough, crystalline 

 rock, composed mostly of quartz, 

 feldspar, mica, and hornblende, 

 differing from granite in having its 

 crystals broken, indistinct, and 

 confusedly aggregated. 



Gneiss'oid (Gneiss; Gr. ei'Sos, eidos, 

 form). Resembling gneiss ; applied 

 to rocks intermediate between 

 granite and gneiss, or between mica- 

 slate and gneiss. 



Gnomiomet'rical (Gr. yix0fj.cav, gnomon, 

 an index ; fjierpov, metron, a mea- 

 sure). Relating to the measure- 

 ment of angles by reflexion. 



Gno'mon (Gr. yt>ufj.<av, gnomon, one 

 that knows or interprets). The 

 index of a dial. 



Goitre (Fr). A large soft swelling in 

 front of the neck. 



Gompho'sis (Gr. yo^os, gomphos, a 

 nail). A form of joint in which a 

 conical body is fastened intoa socket ; 

 as the teeth. 



Go'niodont (Gr. yuvia, gdnia, an 

 angle ; oSous, odous, a tooth). Having 

 angular teeth ; applied to certain 

 fishes. 



Goniom'eter (Gr. yuvm, gonia, an 



angle ; JUST pov, metron, a measure). 

 An instrument for measuring angles. 



Gorget (Fr. gorge, the throat). A 

 piece of armour for defending the 

 throat or neck ; in surgery, a cer- 

 tain cutting instrument. 



Goth'ic. Belonging to the Goths : in 

 architecture, applied to the archi- 

 tecture of the middle ages. 



Gouty Concretions. Calculi or de- 

 posits of urate of soda in the joints, 

 arising from gout. 



Governor. A contrivance in machi- 

 nery for maintaining uniform velo- 

 city with varying resistance. 



Gra'dient (Lat. grad'ior, I step). The 

 degree of slope of the ground over 

 which a railway passes. 



Grad'uate (Lat. gradus, a step). To 

 receive a degree from an university ; 

 to mark with regular divisions ; to 

 change gradually. 



Graduation. The receiving a degree 

 from an university ; the marking 

 instruments with regular divisions. 



Gral'lae or Grallato'res (Lat. gralla'- 

 tor, one who goes on stilts). An 

 order of birds, remarkable for the 

 length of the legs, as bustards, 

 cranes, herons, and snipes. 



Gramina'ceous or Gramin'eous (Lat. 

 gramen, grass). Belonging to 

 grasses, or the order of plants 

 which includes grasses and corn. 



Graminiv'orous (Lat. gramen, grass ; 

 voro, I devour). Eating grass. 



Gramme. A French weight ; the 

 weight of a cubic centimetre of 

 distilled water, or 15 '43 8 grains 

 Troy. 



Granite (Lat. granum, a grain, from 

 its appearance). A stone or rock 

 consisting of grains of quartz, fel- 

 spar, and niica ; chemically com- 

 posed for the most part of silica or 

 flint-earth and-alumiua. 



Granit'ic (Granite). Relating to cr 

 formed of granite. 



Granitoid (Granite ; Gr. elSos, eidos, 

 form). Resembling granite. 



Graniv'orous (Lat. granum, a grain 

 or seed ; voro, I devour). Eating 

 grains or seeds. 



Gran'ular (Lat. granum, a grain). 

 Consisting, of or resembling grains. 



