CHEMICAL GERMAN 233 



/Teinigen, t., to purify. 



/ Reinigung, /., purification. 



reifien, t., to tear, to drag. 



Reklame, f, f -n, advertisement. 



rektifizieren, t., to rectify. 



Reparatur, f. t -en, repair. 



Rest, m., -e, rest; residue; organic radical. 



Retorte, /., -n, retort. 



Retortengestell, ., -e, retort stand. 



Rezension, /., -en, criticism, review. 



Rezipient, m., -en, receiver, receiving vessel. 



Rhodanwasserstoffsaure, /., thiocyanic acid. 



Rhomboeder, n ., -, rhombohedron (crystallography). 



rhomboedrisch, rhombohedral. 



xichten, t., to direct. 



richtig, correct. 



Riechstoff, m., -e, perfume. 



rieseln, i. t to trickle. 



ritzen, /., to scratch (e. g., glass by a diamond). 



Rohre, /., -n, tube, pipe. 



Rostgase, n., pl. t gases from a roasting furnace (metallurgy). 



Rostofen, m., -ofen, a furnace for securing reactions by oxidation; re- 

 verberatory furnace. 



Roheisen, n., pig iron. 



Rohol, n., -e, crude oil. 



Rohr, n., -e, tube, pipe. 



Rohrzucker, m., cane sugar, sucrose. 



Rohstoff, m., -e, raw material. 



rotbriichig, hotshort, iron (metallurgy). 



Rotgliihhitze, /., red heat. 



Roteisenstein, m., red hematite. 



RiickfluBkiihler, m., reversed condenser. 



xiickstandig, residual. 

 > Riihrwerk, n., stirring apparatus. 



Ruthenium, n . } ruthenium. 



S 



Sachregister, n., -, subject index. 



sacht, softly, gently. 



Sachverstandige(r), m., -en, expert authority. 

 K sattigen, t., to saturate. 

 \ Sattigung, /., saturation ; neutralization. 



Sattigungskapazitat, f. t capacity for saturation. 



