CHEMISTRV. 



27 



Distillery. — The art of distilling spirits. 



Elective Affinity. — A tendency to unite with certain things 

 rather than with others. 



Erements. — The indecomposable constituents of bodies. 



The following is a list of the elements now known. The 

 most important are distinguished in the table by capitals ; 

 while those which at present are of slight importance, on 

 account of their rare occurrence or of our insufficient 

 knowledge of their properties, are printed in italics. 



Aluminium, 



Antimony, 



Arsenic, 



Barium, 



Bismuth, 



Bromine, 



Cadmium, 



Cassium, 



Calcium, 



Carbon, 



Cerium, 



Chlorine, 



Chromium, 



Cobalt, 



Copper, 



Didymium, 



Erbium, 



Fhiorinc, • 



Gallium, 



Glucinum, 



Gold, 



Hydrogen, 



Indium, 



Iodine, 



Iridium, 



Iron, 



Lanthanum., 



Lead, 



Lithium, 



Magnesium, 



Manganese, 



Mercury, 



Molyhdenutn, 



Nickel, 



Niobium, 



Nitrogen, 



Osmium, 



OXYG EN, 



Palladium., 



Phosphorus, 



Platinum, 



Potassium, 



Rhodium,, 



Miibidiiim,, 



Muthenium., 



Selenium, 



Silicon, 



Silver, 



Sodium, 



Strontium, 



Sulphur, 



Tantalum, 



Tellurium, 



Terbium, 



Thallium, 



Thorium., 



Tin, 



Titanium, 



TuyujHten, 



Uranium, 



Vanadium, 



Yttrium, 



Zinc, 



Zircotiium. 



Equiv'alent. — A terra expressing the proportional weight or 

 quantity of any substance which is necessary to saturate 

 any other with which it can combine. 



Eudiom'eter (Gr. eudius, serene, and mefron, measure). — An 

 instrument for ascertaining the purity of the atmosphere, 

 or rather the quantity of oxygen contained in any given 

 bulk of elastic fluid. 



Evaporom'eter. — An instrument for ascertaining the quantity 

 of a fluid evaporated in a given time. 



Formula. — A concise mode of exhibiting by symbols the re- 

 sults of chemical changes. 



Gasom'eter. — An instrument for measuring the quantity of gas 

 employed in an experiment. 



