Greek and Latin roots - Number prefixes

unicycle

bike with one wheel

bicycle

bike with two wheels

duet

two singers

trilogy

a series of three

quadruped

an animal with four legs

quadrant

a shape that has four sections divided by lines

quintuplet

five children that are born at the same time

decade

a period of 10 years

century

a period of 100 years

pentagon

a plane figure with five straight sides and five angles

centipede

an arthropod that is composed of at least 100 segments each with a pair of legs

biweekly

every two weeks

bisect

divided into two parts

quadrilateral

a plane figure having four sides and four angles

triple

series of three

centenarian

a person who has reached the age of 100 years

quartet

an organized group of four singers or players

dialogue

conversation between two or more persons

monotone

a single tone or sound

monarchy

supreme power held by one person

unicorn

mythical horse creature with one horn

monochromatic

having or relating to one color

unison

to do something at the same time as another; simultaneous action

unique

one of a kind

monophobia

fear of being by oneself; fear of being alone

hexagon

a plane figure with six sides and six angles

octagon

a plane figure with eight sides and eight angles

hexachord

a series of six notes (in music)

hexameter

a line containing six feet

octopus

a sea animal that has a soft body and eight long arms