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
play on/upon (something)
to cause an effect on something, to influence something
The company played on the feelings of loneliness of some people to get them to buy more products.