| BAS | use (purified cocaine) by burning it and inhaling the fumes |
|---|---|
| BAS | debased |
| BAS | (archaic) illegitimate |
| BAS | having or showing an ignoble lack of honor or morality |
| BAS | of low birth or station (`base' is archaic in this sense) |
| BAS | serving as or forming a base |
| BAS | not adhering to ethical or moral principles |
| BAS | (used of metals) consisting of or alloyed with inferior metal |
| BAS | the successful act of striking a baseball in such a way that the batter reaches base safely |
| BAS | installation from which a military force initiates operations |
| BAS | (baseball) an advance to first base by a batter who receives four balls |
| BAS | one of the pairs of chemical bases joined by hydrogen bonds that connect the complementary strands of a DNA molecule or of an RNA molecule that has two strands |