Boycott

To refuse to buy items from a particular country. 

Boomerang

flat, bent wooden tool of the Australian Aborigines that is thrown to stun prey when it strikes them and that sails back to the hunter if it misses its target. 

Bonds

a uniting or binding force or influence. 

Bog

low swampy area

Blizzard

severe winter storm that lasts several hours and combines high winds with heavy snow. 

Birthrate

number of children born each year for every 1,000 people. 

Biotechnology

study of cells to find ways of improving health.