Vocabulary Mono, Bi, Tri, Quad

To create four times as much or as many of something.

A plane figure in geometry that has four sides.

A muscle group consisting of four muscles that is located along the front of the thigh.

something made out of one single large block or piece of stone; one single stone monument

A vehicle with two wheels.

any group of three persons or things

control of a product or service by one person

a dinosaur with three horns- two long horns above the eyes and one short horn on the nose

able to speak three different languages

an abnormal fear of being the only one there; fear of being alone

a long speech given by one person

To cut into three parts.

a two-pointed tooth located in the side of the jaw

An airplane with two pairs of wings.

A group of three literary or musical works that have a related theme

a three-legged stool, table, or stand used to hold things, often a camera

a vehicle with three wheels

a four-sided enclosure, usually surrounded by buildings

a race that combines three activities - swimming, bicycling, and running

An eyeglass for one eye.

Happening every two months.

eyeglasses with lenses that have two different sections- for seeing close up and far away

Consisting of two colors.

having one color; a painting, photo, or outfit that is only one color or shades of one color

speaking or writing only one language

A two footed creature.

An animal with four feet

having only one syllable

to cut or divide into four equal parts

Happening every two years.

Happening every four years

Happening every two weeks.

a speech in which every word has one tone of voice

A collection or group of four; one of four babies born from the same mother at the same time.

The ability to speak four languages.

One out of four equal parts of a circle; one section of a four-section coordinate grid.

a track for subway or train cars that only has one rail

Able to speak two languages.

A three-sided figure.