Prefixes
bi-, tri-
1. bicentennial
2. bicycle
3. bicolor
4. billion
5. bilateral
6. triceratops
7. triangle
8. tricycle
9. trillion
10. triple
11. binocular
12. trilingual
The day or year that is 200 years after a particular event, esp. an
important one; a 200th anniversary
A two-wheeled vehicle that you sit on and move by turning the two pedals
Having two colors.
The number 1,000,000,000
Involving two groups or countries.
A large, plant-eating dinosaur with four legs, three horns, and a large frill on
its head.
A flat shape with three straight sides.
A small vehicle like a bicycle with two wheels at the back and one at the
front, used especially by young children.
The number 1,000,000,000,000
Having three parts of the same type, or happening three times
An optical device, providing good depth effect, for use with both eyes.
Speaking three languages fluently.