n.
1.the blood group whose red cells carry the B antigen
2.aerobic rod-shaped spore-producing bacterium
3.originally thought to be a single vitamin but now separated into several B vitamins
4.a trivalent metalloid element
5.a logarithmic unit of sound intensity equal to 10 decibels
6.(physics) a unit of nuclear cross section
7.the 2nd letter of the Roman alphabet
Idiom of the Day
stuck on (something)
to be locked into an idea or cause or purpose
The man is stuck on the idea of going to a hot place for his vacation.