word stems

Revitalize

To give new life or vigor to something.

Stereophonic

Relating to sound reproduction using two or more channels to give a more natural distribution of sound.

Capitalism

An economic system where trade, industry, and the means of production are largely or entirely privately owned and operated for profit.

Incognito

Having one's true identity concealed.

Surmount

To overcome a difficulty or obstacle.

Alteration

The process of changing or modifying something.

Asteroid

A small rocky body orbiting the sun, typically found in the asteroid belt between Mars and Jupiter.

Dynamic

Characterized by constant change, activity, or progress.

Lunatic

A person who is mentally ill (not in technical use) or extremely foolish or eccentric.

Hyperventilate

To breathe at an abnormally rapid rate, increasing the rate of loss of carbon dioxide.

Octarchy

A government by eight persons.

Gyrations

Rapid movements in a circle or spiral; a whirling motion.

Contradictory

Mutually opposed or inconsistent.

Geology

The science that deals with the earth's physical structure and substance, its history, and the processes that act on it.

Heliocentric

Having or representing the sun as the center, as in the accepted astronomical model of the solar system.

Thermotropic

Relating to the movement or growth of an organism in response to heat.

Hydrometer

An instrument for measuring the density of liquids.

Radarscope

A radar display screen.

Sonorous

Capable of producing a deep or ringing sound.

Decade

A period of ten years.

Stellar

Relating to stars or outstanding.

Amiable

Having or displaying a friendly and pleasant manner.

Germane

Relevant to a subject under consideration.

Gregarious

Fond of company; sociable.

Ultramarine

A deep blue color.

Primary

Of chief importance; principal.

Pyromaniac

A person suffering from an obsessive desire to set fire to things.

Clamorous

Making a loud and confused noise.

Plurality

The fact or state of being plural.

Tangible

Perceptible by touch.

Stringent

Strict, precise, and exacting.

Liberate

To set someone free from a situation, especially imprisonment or slavery.

Junction

A point where two or more things are joined.

Exclude

To deny someone access to or bar someone from a place, group, or privilege.

Secede

To withdraw formally from membership in a federal union, an alliance, or a political or religious organization.

Tributaries

Rivers or streams flowing into a larger river or lake.

Dignify

To make something seem worthy and impressive.

Translucent

Allowing light to pass through, but not detailed images.

Eruption

An act or instance of erupting.

Ingrate

An ungrateful person.

Mediocre

Of only moderate quality; not very good.

Sophomoric

Pretentious or juvenile.

Temporal

Relating to worldly as opposed to spiritual affairs; secular.

Migratory

Denoting an animal that migrates.

Bigamy

The act of going through a marriage ceremony while already married to another person.