GNEISS 



148 



GONIOMETER 



Gneiss, (ins). A rock resembling granite, 

 but having a more stratified or foliated ap- 

 pearance: composed of quartz, felspar, and 

 mica ; one of the metaiuorphic rocks, very 

 durable. 



Gneissoid, (ni'soid). [Gneiss, q.v.; Gk. eidos, 

 form.] Resembling gneiss. 



Gnetacese, (ne-ta'se-e). [Gnetum, 2.v.]=Joint- 

 firs; small trees, with jointed stems, belong- 

 ing to Gymnogens, but approximating to 

 Exogens. 



Gnetum, (ne'tum). [The Latin name.] A 

 plant, the type of Gnetaceae, found in tro- 

 pical India and America. 



Gnomon, (n5'mon). 1. A figure resembling a 

 carpenter's square, formed by taking away a 

 portion of a rectangle. 2. The index of a 

 sun-dial. 



Gnomonic, (no-mon'ik). [Gnomon, q.v.] Re- 

 lating to a gnomon. G. projection: in map 

 drawing, in which the eye is supposed to be 

 at the centre of the earth. 



Gnu, (nu). [The Hottentot name.]=Antilope 

 gnu: an animal re- 

 sembling the ante- _-^ 

 lope, the buffalo, 

 and the horse. 



Goat, (got). [Gat, 

 the A.-S. name.] 

 =Capra: an animal 

 belonging to Rumi- 

 nantia. G.'s beard 

 =Tragopogon pra- 

 tensis. G. moth= Gnu. 



Cossus ligniperda. G. 29e^er=Capsicum, q.v. 

 G. sucker = Capri- 

 mulgus, q. v. ; a bird 

 also called Night- 

 jar. G. 8 thorn = 

 Astragalus verus. 

 G. weed = JEgopo- 

 dium, q.v. 



Gobioidei, (go-bi-oi'- 

 de-I). [Gobius, q.v.; 

 Gk. eidos, form.] 

 = Gobiidaj: Goby, 

 Blenny, &c., a Goat-sucker, 



family of fishes belonging to Acanthopteri. 



Gobius, (g5'bi-us). [The Latin name.]=Goby: 

 a nest-building fish. 



Godin, In moon, a crater 22 miles in diameter. 



God- wit, (god' wit). [A.-S. y6d, good; whit, 

 creature. ] = Limosa, 

 a wading bird, be- 

 longing to Longi- 

 rostres. 



Goethe's theory: that 

 all organs of plants, 

 petals, sepals, sta- 

 mens, &c., are meta- 

 morphosed leaves. 



Goetite, (ge'tit). [Goathe. 

 = Oxide of iron: one 

 of the iron group of 

 minerals, crystallis- Godwit 



ing in rhombs: much resembling limonite. 



Goitre, (goi'tr). [The French name.]=Bron- 

 chocele: the enlargement, by disease, of the 

 thyroid gland; also called "Derbyshire neck." 



Gold, (g61d)=Au'"=Auruni: one of the noble 

 ruetals; a soft, yellow, lustrous, malleable 

 metal, valuable from its beauty, scarcity, and 

 freedom from the action of oxygen: found 

 most commonly in Paheozoic rocks. Native 

 G.=fom\d iu grains and nuggets; sometimes 

 also contains silver, copper, &c. G. carp= 

 G. ^sA=Cyprinus auratus. G. finch=Fnn- 

 gilla carduelis, a bird. G. jinny = Creni- 

 labrus. G. ^Ha:=Avanturiue. 6. leaf elec- 

 t}'0sc0pe=Bennett's E., q.v. G. of pleasure 

 =Camelina, q.v. G. thread=Coptia trifolia, 

 a plant belonging to Ranunculaeeae. 



Gold-beater's skin. The thin skin of the in- 

 testines of oxen, prepared for use in gold- 

 beating. 



Gold-beating. The hammering of gold into 

 extremely thin sheets. 



Golden, (gol'den). [Gold, 3. v.] G. fly=CYuyah: 

 an insect, belonging to Ilymenoptera. G. 

 r<iofrf=Crenilabrus melops: a fish, belonging 

 to Labridae. G. number: marks the place of 

 the year in the cycle of 19 years, in which the 

 civil and astronomical years coincide. G. rod 

 =Solidago: an herb, belonging to Composite. 

 G. ro&in=:Baltiniore oriole. G. teeth: teeth 

 of herbivorous animals are sometimes coated 

 with a yellow precipitate. G. trumpeter; 

 A garni, a crane-like bird. 



Goldie-locks=Linosyris : an herb, belonging 

 to Composite. 



Gomeisa=/3 Canis Minoris : the second star in 

 the constellation Canis Minor. 



Gomer, (go'mer). Tho conical chamber of a 



Gompholite,(gom'fo-lit). [Gk. yomplios, wedge; 

 lithos, stone.] A miocene rock, named from 

 the wedge-shaped pebbles found in it. 



Gomphosis,(gom-fo'sis). [Gk. gomphos, wedge. ] 

 The union of two bodies by the insertion of 

 one in the other. 



Gomuti palm, (go-mo'ti). Borassus sacchari- 

 ferus=:13orassu8 gomuti=Arenga sacchari- 

 fera: a palm tree, from which sago and sugar 

 are obtained. 



Gonds. An Asiatic people. 



Gong metal. An alloy of copper and tin, used 

 in making gongs. 



Goniaster, (go-ni-as'ter). [Gk. gonia, angle ; 

 aster, star.]=Cushion star : connects Aste- 

 riadaj with Echinidae. Many species are 

 found fossil in Tertiary rocks. 



Goniasteria,(go-ni-as-te'ri-a). (Goniaster,'?. v.] 

 Goniaster, &c. : a group of star fishes, be- 

 longing to Asteriada;. 



Goniatites, (gS-ni-a-ti'tez). [Gk. gonia, angle.] 

 Fossil remains of Ammonites, many species 

 of which are found in 

 Devon ian and Carboni- 

 ferous Limestone. 



Gonidia,(go-nid'i-a). Algae 

 imprisoned by fungi, so 

 an to form lichens, q.v. 



Goniometer, (go-ni-om'e- 

 ter). [Gk. gonio., angle; 

 Meter, q. v.] An instru- 

 ment for measuring the 

 angles of crystals, or 

 angles generally. Goniometer. 



