VOCABULARY. 



167 



armature, armature. 



A bar or ring of soft iron, around 

 which coils of insulated copper wire 

 have been wound. 



armer de, to provide with. 



arpent, an old French square 

 measure (about i acre and I 

 rood of land). 



articulation, joint. 



articuler, to articulate, to joint. 



ascenseur, elevator. 



electrique, electrical elevator. 



aspirateur, suction apparatus, suc- 

 tion-pipe. 



aspirer Pair, to exhaust the air. 



assemblage, assemblage, joining, 



placing in position, 

 assembler, to join, 

 assise, bed, layer, course, 

 assujettir, to wedge, to fasten, to 



fix, to render stable, 

 atelier, shop, work-shop, 

 atteler a (un moteur), to attach, 

 atterrir, to land, 

 automatique, automatic, 

 avant-train, fore-carriage, 

 aviation, air-navigation. 

 axe de rotation, axis of rotation, 

 azote, nitrogen. 



B 



Bain, bath. 



In chemistry, an apparatus for modi- 

 fying and regulating the heat in various 

 chemical processes, by interposing a 

 quantity of sand, water, or other sub- 

 stance between the fire and the vessel 

 intended to be heated. 



- liquide de fer doux, bath of 

 soft iron. 



balai, brush, mason's brush. 



balancement, balancing, oscilla- 

 tion. 



balancier, beam, lever. 



balise, beacon. 



bande, band, ribbon, slip, rail. 



barboter, to bubble. 



base, base. 



A compound substance which unites 

 with an acid to form a salt. 



de sustentation, base of sup- 

 port, 

 basique, adj. basic. 



Performing the office of a base in a 

 salt ; having the base in excess ; having 

 more than one equivalent of the base 

 for each equivalent of acid. 



bassin de patinage, skating-basin 

 (pond). 



bati, frame, frame-work. 



battant, bell-clapper. 



batterie d'accumulateurs, second- 

 ary battery. 



be"ton, beton, concrete, grubstone- 

 mortar. 



bief, level, reach. 



supeYieur, upper level, higher 

 pond. 



infe"rieur, lower level, lower 

 pond. 



bielle, connecting-rod. 



bille, bar, beam, support. 



bioxyde d'azote, nitric oxide, di- 

 oxide of nitrogen. 



bobine de fil m6tallique, coil of 

 wire (spool). 



d'induction, induction-coil. 



de Ruhmkorff, Ruhmkorff's 

 coil. 



bois de charpente, timber, 

 boite a vapeur, slide-box, steam- 

 chest, steam-box. 

 bore, boron. 



