1. Bi- (two)

2. Bicolor (Adj.) An object with – Two different colors The bicolor angelfish swam through the aquarium tank.

3. 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.

4. Bicycle (N) A vehicle – With two wheels I enjoy riding my bicycle at the beach.

5. Biennial (adj) Happens – Every two years The Biennial Gladstone Sock Hop will take place in 2011.

6. Bifocals (N.) Eyeglasses – Have two different sections – One to see close up and another for seeing far away In 1784, Benjamin Franklin developed bifocals.

7. Bilingual(Adj.) Ability -To speak two languages My friend, Alicia, is bilingual. She speaks Spanish and English.

8. Bimonthly (Adj.) Happens – Every two months Nightsky is a magazine that is published bimonthly.

9. Biped (N.) A creature – With two feet The earliest dinosaurs were bipeds.

10. Biplane (N) An airplane – With two pairs of wings The biplane flew over the Grand Canyon.

11. Biweekly (Adj.) Happens – Every two weeks I receive a biweekly update 26 times a year.