BUFF 



291 



SACCHARIMETER 



Ruff=Machetes pugnax: a wading bird, very 

 pugnacious ; belongs to 

 Scolopacidse ; named 

 from its ruff-like neck 

 feathers. 



Ruffled. R. grouse = 

 Bonasa, or Bonasia. q. v. 



Rufigallic acid=C 8 H 4 04. 

 H 2 = Parellagic acid: 

 obtained from gallic 

 acid. 



Rugose, (ro'gos). [L. 

 rugosus, wrinkled.] Ex- 

 tinct corals, named from 

 their wrinkled appearance. Ruff. 



RuhmkorfFs coil, (rum'korfa). [Herr R.] 

 An apparatus for making and breaking a gal- 

 vanic current with great rapidity, and so 

 generating a secondary current; consisting 

 of two coils of covered wire, one coil being 

 in connection with a galvanic battery, the 

 current through which, at the moment it is 

 made or broken, induces a secondary cur- 

 rent in the other coil; also called Induc- 

 torium and Induction Coil. 



Rule=Norma, q.v. 



Rule-of-three. The problem of three out of 

 four terms in proportion being given in 

 order that the fourth may be found: also 

 called Proportion. 



Rulers. Marquoi's R. ; v. Marquoi's. 



Rum. [A corruption of the W. Indian word.] 

 Spirit distilled from sugar-cane, molasses, <fcc. 



Rumanyos. A European race. 



Rumex, (ro'meks). [The Latin name.] = Dock: 

 a plant belonging to Polygoiiaceaj. R. Al- 

 pinMS=Monk's rhubarb. 



Rumen, (ro'men). [L. rumen, throat.] The 

 first stomach of ruminant animals. 



Rumia, (ro'mi-a). JR. crat;<7ato=:Brimstone 

 moth. 



Ruminantia, (ro-min-an'shi-a). [L. ruminor, 

 I chew again.] Hoofed animals, such as the 

 sheep, which have a series of four stomachs, 

 frontal horns, and cloven hoofs. Ruminant 

 animals with sharp canine teeth, have usu- 

 ally no horns, v. Rumination. 



Rumination, (ro-mi-na'shun). [Ruminatio, 

 the Latin word.] The chewing of food after 

 it has been swallowed; practised by animals 

 belonging to Ruminantia, who have several 

 stomachs, from the second of which the food 

 is again returned to the mouth for remasti- 

 cation. 



Runners=:Cur8ores, q,v. 



Running water. Force of R. ; v. Force. 



Rupert's drops. Small globules of suddenly 

 cooled glass, having a long thin projection; 

 when the end of this is broken off the glo- 

 bule breaks up into small fragments. 



Rupicapra, (ro-pi-ka'pra). R. tragus = Ch&- 

 mois, q.v. 



Ruppellia, (rup-pelli-a). A crab-like animal. 



Rupture, (rup'tur). [L. rumpo, I break.] The 

 breaking of any portion of the intestines: 



1 also called Hernia. R. wort=Herniaria, q.v. 



Ruscus, (rusTcusJ^Butcher's-broom : a plant 

 belonging to Liliacete. 



Rush, (rush). [Ruscum, the Latin name.] 

 =Juncus: a plant belonging to Juncaceae. 

 Dutch .R.=Equisetum hyemale. Flowering 

 /J.=Butomus. Wood R .^Luzvda. R. grass 

 :=Illecebrum. 



Rushes = Juncaceae, q.v. 



Russet, (rus'set). [L. russus, red.] A colour 

 compounded of orange and purple. 



Russia, R. leather; v. Leather. 



Russian. R. musk-rat=W.yga,lo; v. Desman. 



Rust, (rust). [The A. -S. word.] Oxide of 

 iron, especially when formed by the exposure 

 of iron to damp air ; also used generally for 

 any metallic oxide so formed. 



Rusticated masonry. Having the intervals 

 between the stones marked by grooves. 



Ruta, (ro'ta). [The Latin name.]=Rue: an 

 herb, the type of Rutacese. 



Rutacese, ( ro-ta'se-5 ). [Ruta, q.v.] = Rue- 

 worts : trees and shrubs, belonging to Rutalea. 



Rutales, (ro-ta'lez). [Ruta, q.v.] Plants with 

 monodichlamydeous flowers, forming a divi- 

 sion of Hypogynous Exogens: including 

 Connaracese, Aurantiacese, Rutacese, &c. 



Ruthenic, ( ro-the'nik ). [Ruthenium, q.v.] 

 R. anhydride=RnO3= Ruthenic acid. 



Ruthenium, (r6-the"ni-um)=Ru'" : one of the 

 noble metals; a hard, brittle, almost in- 

 fusible metal, usually found with platinum. 



Rutic acid, (ro'tik). [Ruta, g.v.^CjoHooOa 

 = C 8 H ]6 O 2 = Capric acid, obtained from 

 cocoa-nut oil, butter, &c. 



Rutile, (ro'til). [L. rutilis, red.] Titanite, q.v. 



Rutylene, (ro'ti-len). [Rutyl, q.v.]=CiQU^: 

 a hydrocarbon of the olefine series. 



Rutyl, (ro'til). [Ruta, q.v.; Gk. hyle, mate- 

 rial. ]=Capryl, q.v. 



Rye, (ri). [Rige, the A.-S. name.] = Secale 

 cereale. R. grrass=Lolium. 



Rynchops, (rin'kops). [Gk. rhygchos, beak.] 

 =Rhynchops: an aquatic bird, belonging to 

 Palmipedes, with very long bill; also called 

 Shearwater, from its habit of skimming the 

 surface of the water. 



S. 



Sable, (sa'bl). [Zabel, the German name.] A 



weasel-like animal 



belonging to Mus- 



telidae-Martes zi- 



bellina. American 



S.=Pine marten. 

 Sabot, (sa-bo'). [F. 



Sabot, shoe.] A Sable. 



wooden stand for a shell, serving to keep it 



steady while being fired, 

 Saccharic acid, (sak-karlk). [L. saccJiarum, 



sugar.J^CsHxoOg: obtained from sugar. 

 Saccharimeter, (sak-ka-rim'e-ter). [L. saccha- 



rum, sugar.] An instrument for analysing 



sugars, by examining the effect upon polar* 



ised light. 



