ARSENIC n.
color and brilliant luster, though usually dull from tarnish. It is very brittle, and sublimes at 356º Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment and realgar are two of its sulphur compounds, the first of which is the true arsenticum…
ASPHALT; ASPHALTUM n.
A composition of bitumen, pitch, lime, and gravel, used for forming pavements, and as a water-proof cement for bridges, roofs, etc.; asphaltic cement. Artificial asphalt is prepared from coal tar, lime, sand, etc. Asphalt stone, Asphalt rock, a limestone found impregnated with asphalt.