ARTIFICER n.
A military mechanic, as a blacksmith, carpenter, etc.; also, one who prepares the shells, fuses, grenades, etc., in a military laboratory.
ASPHALT; ASPHALTUM n.
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.