aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil | a species of bacillus that causes anthrax in humans and in animals (cattle and swine and sheep and rabbits and mice and guinea pigs); can be used a bioweapon |
the blood group whose red cells carry the B antigen | |
the 2nd letter of the Roman alphabet | |
a logarithmic unit of sound intensity equal to 10 decibels | |
a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder | |
originally thought to be a single vitamin but now separated into several B vitamins | |