Bi- (two)
Bicolor (Adj.) An object with – Two different colors The bicolor angelfish swam through the aquarium tank.
Bicuspid (N) A tooth – Two-pointed – On the side of the jaw – Also called a premolar The dentist filled the cavity on the bicuspid tooth.
Bicycle (N) A vehicle – With two wheels I enjoy riding my bicycle at the beach.
Biennial (adj) Happens – Every two years The Biennial Gladstone Sock Hop will take place in 2011.
Bifocals (N.) Eyeglasses – Have two different sections – One to see close up and another for seeing far away In 1784, Benjamin Franklin developed bifocals.
Bilingual(Adj.) Ability -To speak two languages My friend, Alicia, is bilingual. She speaks Spanish and English.
Bimonthly (Adj.) Happens – Every two months Nightsky is a magazine that is published bimonthly.
Biped (N.) A creature – With two feet The earliest dinosaurs were bipeds.
Biplane (N) An airplane – With two pairs of wings The biplane flew over the Grand Canyon.
Biweekly (Adj.) Happens – Every two weeks I receive a biweekly update 26 times a year.