| A | B |
|---|
| bi | two |
| bicolor | having two different colors |
| bicuspid | a two-pointed tooth located in the side of the jaw |
| bicycle | a vehicle with two wheels |
| biennial | happening every two years |
| bifocals | eyeglasses with lenses that have two different sections - for seeing close up and far away |
| bilingual | able to speak two different languages |
| bimonthly | happening every two months |
| biped | a two-footed creature |
| biplane | an airplane with two pairs of wings |
| biweekly | happening every two weeks |
