Roots

Kilo

A prefix meaning thousand, as in kiloliter (1000 liters) or millennium (1000 years).

Milli

A prefix meaning thousandth, as in milliwatt (one-thousandth of a watt).

Mega

A prefix meaning million, as in megabyte (holds a million bytes).

Micro

A prefix meaning millionth, as in microvolt (a millionth of a volt).

Giga

A prefix meaning billion, as in gigabyte (holds one billion bytes of information).

Nano

A prefix meaning billionth, as in nanosecond (one second divided by a billion).

Tera

A prefix meaning trillion, as in teraflop (equal to one trillion flops).

Pico

A prefix meaning trillionth, as in picogram (one trillionth of a gram).

Femto

A prefix meaning quadrillionth, as in femtosecond (one quadrillionth of a second).

Mono

A prefix meaning one, as in monokini (a one piece swimsuit).

Uni

A prefix meaning one, as in unicycle (a one-wheeled vehicle).

Bi

A prefix meaning two, as in bilateral trade agreement (affects two countries).

Tri

A prefix meaning three, as in trifecta (a successful three-point shot).

Quad

A prefix meaning four, as in quadriceps (muscles with four heads).

Quint

A prefix meaning five, as in quintuplets (five children born at the same time).

Pent

A prefix meaning five, as in pentagon (a shape with five sides).

Hex

A prefix meaning six, as in hexagon (a shape with six sides).

Hept

A prefix meaning seven, as in heptagon (a shape with seven sides).

Sept

A prefix meaning seven, referencing why September isn’t the 7th month anymore.

Oct

A prefix meaning eight, as in octagon (a shape with eight sides).

Non

A prefix meaning nine, as in nonagenarian (someone in their 90s).

Dec

A prefix meaning ten, as in decimal system (based on units of ten) or decade (10 years).

Ambu

Root meaning walk or move, as in ambulatory (able to move).

Andro

Root meaning man, as in android (robot shaped like a man).

Anthro

Root meaning human or mankind, as in anthropology (study of humans).

Bell, belli

Root meaning war, as in belligerent (ready to fight).

Carn

Root meaning flesh, as in carnivores (meat-eating animals).

Clam, claim

Root meaning shout, as in proclaim (shout out something).

Clin

Root meaning lean or bend, as in decline (to lean away or refuse).

Clud, clus, claus

Root meaning to close or shut, as in recluse (someone who shuts themselves away).

Cred

Root meaning trust or belief, as in incredible (unbelievable).

Demo

Root meaning people, as in democracy (rule by the people).

Dog, dox

Root meaning thought or ideas, as in paradox (an idea that seems contradictory).

Duc, duct

Root meaning to lead or pull, as in duct (tube for fluids).

Ev

Root meaning time or age, as in medieval (related to the Middle Ages).

Fac

Root meaning to do or make, as in facile (easy to do).

Fiss

Root meaning break or part, as in fissure (a break in the earth).

Flict

Root meaning strike, as in inflict (to strike someone with a blow).

Fort

Root meaning strength, as in fortify (to strengthen).

Fract, frag, frai

Root meaning break, as in fracture (to break something).

Gnos

Root meaning knowledge, as in diagnosis (knowledge of a condition).

Grad, gress

Root meaning to go, as in progress (to go forward).

Greg

Root meaning group or herd, as in congregation (a group of people).

Gyn

Root meaning woman, as in misogynist (a person who hates women).

Her, hes

Root meaning to stick, as in adhesive (sticks to something).

Jac, ject

Root meaning to throw, as in project (to throw your voice).

Loq, log, loc, lix

Root meaning speech or talk, as in loquacious (talkative).

Luc, lum, lus

Root meaning light or clear, as in luminous (full of light).

Meta

Root meaning change or transformation, as in metamorphosis (a change of shape).

Morph

Root meaning shape, as in amorphous (without shape).

Mut

Root meaning change, as in immutable (not changeable).

Narco

Root meaning sleep, as in narcotic (induces sleep).

Omni

Root meaning all, as in omniscient (knows all).