Prefixes: Uni-, bi-, tri-, quad-, mono-, poly-, multi-
polygon
a closed shape with many sides
unicycle
a pedaled vehicle with one wheel
tricycle
a pedaled vehicle with three wheels
bicycle
a pedaled vehicle with two wheels
quadrangle
a shape with four angles
quadrilateral
a shape with four sides
triangle
a shape with three angles
bisect
cut into two parts
biweekly
every two weeks
quad-
four
multiuse
havinge many uses
multi-
many
poly-
many
mono-
one
uni-
one
unique
one of a kind
multicultural
relating to many different cultures
monotone
speech with only one tone of voice
multilingual
the ability to speak many languages
monolingual
the ability to speak only one language
bilingual
the ability to speak two languages
polytheism
the belief in many gods
tri-
three
multiply
to make many of a number
bi-
two
biannually
two times a year