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ASVAB Word knowledge > Root Words > Flashcards

Root Words Flashcards

Common root words used in the English language

1
Q

Acou

A

Hearing (Acoustical- pertaining to sound)

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2
Q

Acro

A

Furthest or Highest point (acrophobia- fear of heights)

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3
Q

Acu

A

Needle (acupuncture- puncturing of body tissue for relief of pain)

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4
Q

Aero

A

Air or gas (aeronautics-study of the operation of aircraft)

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5
Q

Alt

A

High (altitude- A position or a region at height)

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6
Q

Ambi

A

Both (ambidextrous- capable of using both hands equally well)

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7
Q

Anter

A

In front (Anterior- towards the front)

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7
Q

Auto

A

Self (autocratic- ruled by a monarch with absolute rule)

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7
Q

Aqueo, Aqui

A

Water (aquatic- living in water)

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8
Q

audio

A

hearing (Audiology- science of hearing)

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8
Q

Anthrop

A

Human being (anthropology- science of mankind)

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9
Q

Avi

A

Bird, Flight (Aviary- Large cage for confining birds)

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10
Q

Bona

A

Good (Bona fide- in good faith)

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10
Q

Bio

A

life (Biography- written history of a person’s life)

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11
Q

Capit

A

Head (Capital- involving the forfeiture of the head or life(as in capital punishment))

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12
Q

Carcin

A

Cancer (Carcinogen- substance that initiates cancer)

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12
Q

Carb

A

Carbon (Carboniferous- containing or producing carbon or coal)

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13
Q

Cent

A

A hundred (Centennial- pertaining to 100 years)

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13
Q

Carn

A

Flesh (Carnivorous- eating flesh)

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14
Q

Crypt

A

Covered or hidden (Cryptology- Art of uncovering a hidden or coded messages)

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14
Q

Centro, Centri

A

Center (centrifugal- movement away from the center)

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14
Q

Citri

A

Fruit (Citric Acid- Sour-tasting juice from fruits)

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14
Q

Culp

A

Fault (Culprit- criminal)

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15
Q

Cepha

A

Head (hydrocephalus- condition caused by excess fluid in the head)

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16
Q

Chron

A

Time (Synchronize- to happen at the same time)

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16
Q

Dyna

A

Power (Dynamometer- Device for measuring power)

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17
Q

Corpor, Corp

A

Body (Corporate-combined into one body)

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17
Q

Doc

A

Teach (Doctrine- instruction or teaching)

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17
Q

Eco

A

Environment (Ecosystem- community or organisms interacting with the enviroment)

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18
Q

Flor

A

Flower (Florist- dealer in flower)

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18
Q

Demo

A

People (Democracy- Government ruled by the people)

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18
Q

Dox

A

Opinion (Paradox- a self-contradictory statement that has plausibility)

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18
Q

Equi

A

Equal (Equilibrium- balance)

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18
Q

Cyclo

A

Circular (cyclone- a storm with strong circular winds)

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18
Q

Exter

A

Outside of (External- on the outside)

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18
Q

Embry

A

Early (Embryonic- Pertaining to an embryo or the beginning of life)

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19
Q

Ethn

A

Race, Group (Ethnology- study of human races or groups)

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20
Q

Foli

A

Leafy (Defoliate- To strip a plant of its leaves)

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20
Q

Geo

A

Earth (Geophysics- the physics of the earth)

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21
Q

Geri

A

Old Age (Geriatrics- Division of medicine pertaining to old age)

21
Q

Horti

A

Garden (Horticulture- science of cultivating plants)

22
Q

Gyro

A

Spiral Motion (Gyroscope- rotating wheel that can spin on various planes)

22
Q

Graphy

A

Write (Autograph- a person’s own signature)

22
Q

Hygi

A

Health (Hygiene- Practice of preservation of health)

22
Q

Hydro

A

Water (Hydroplane- form of boat that glides over the water)

22
Q

Hygro

A

Wet (Hygrometer- Instruction used to measure moisture in the atmosphere)

23
Q

Loco, Locus

A

Place (Locomotive- Act or power of moving from place to place)

23
Q

Jur

A

Swear (Jury- Body of persons sworn to tell the truth)

23
Q

Hypno

A

Sleep (Hypnology- science that treats sleep)

23
Q

Iso

A

Equal (Isotonic- Having equal tones or tension)

23
Q

Lingui

A

Tongue (Linguistics- Study of languages)

23
Q

Ideo

A

Idea (Ideology- Study of ideas)

23
Q

Man

A

Hand (Manual- made or operated by hand)

23
Q

Lamin

A

Divided (Laminate- Bond together layers)

23
Q

Lac, Lacto

A

Milk (Lacteal- Resembling milk)

23
Q

Mega

A

Large (Megalopolis- Urban area compromising several large adjoining cities)

23
Q

Litho

A

Stone (Lithography- art of putting putting design on stone with a greasy material to produce printed impressions)

23
Q

Macro

A

Large (Macrocosm- The great world; the universe)

23
Q

Medi

A

Middle (Mediocre- Average or middle quality)

23
Q

Mero, Meri

A

Part or fraction of (Meroblastic- Partial or incomplete cleavage)

23
Q

Micro

A

Small or petty (Microscope- so small as to be invisible without the aid of a microscope)

23
Q

Mini

A

Small (Miniature- an image or representation of something on a smaller scale)

23
Q

Moto

A

Motion (Motive- what moves someone to action)

23
Q

Multi

A

Many (Multimillionaire- person with several million dollars)

23
Q

Navi

A

Ship (Navigation- to direct course for a vessel on the sea or in the air)

23
Q

Neo

A

New (Neonatal- pertaining to the newborn)

23
Q

Noct, Nocti

A

Night (Nocturnal- occurring in the night)

23
Q

Oct, Octo, Octa

A

Eight (Octagonal- Having eight sides)

23
Q

Olig, Oligo

A

Scant or few (Oligarchy- A government which is controlled by a few people)

23
Q

OO

A

Egg (Oology, A branch of ornithology dealing with bird eggs)

23
Q

Optic

A

Vision or eyes (Optometry- Profession of testing vision and examining eyes for disease)

23
Q

Ortho

A

Straight (Orthodontics- Dentistry dealing with correcting the teeth)

23
Q

Pent, Penta

A

Five (Pentagon- having five sides)

23
Q

Phob

A

Panic or Fear (Arachnophobia- fear of spiders)

23
Q

Phon

A

Sound (Phonography- instrument for reproducing sound)

23
Q

Pod

A

Foot (Podiatry- The study and treatment of foot disorders)

23
Q

Pseudo

A

False (Pseudonym- fictitious name)

23
Q

Psyche

A

Mental (Psychiatry- Science of treating mental disorders)

23
Q

Pyro

A

Fire (Pyrotechnics- art of making or using fireworks)

23
Q

Quad

A

Four (Quadruped- animal having four feet)

23
Q

Quint

A

Five (Quintuple- having five parts)

23
Q

Sect

A

Part or Divide (Bisect- divide into two equal parts)

24
Q

Spiri

A

Coiled (Spirochete- Spiral-shaped bacteria)

25
Q

Stasi

A

To stand still (Hemostatic- Serving to stop hemorrhage)

26
Q

Techni

A

Skill (Technician- skilled person in a particular fueld)

27
Q

Terri

A

To Frighten (Terrible- Capable of exciting terror)

28
Q

Tetra

A

Four (Tetrahedron- a shape with four faces)

29
Q

Therm

A

Heat (Thermostat- a device that automatically controls desired temperatures)

30
Q

Toxi

A

Poison (Toxicology- science concerning the effects, antidotes, and detection of poisonous substances)

31
Q

Uni

A

Single (Unilateral- Involving one person, class, or nation)

32
Q

Urb

A

City (Suburbs- Outlying part of a city)

33
Q

Verb

A

Word (Proverb- A name, person, or thing that has become a byword)

34
Q

Uro

A

Urine (Urology- Science of studying the urinary tract and its diseases)

35
Q

Veri

A

Truthful (Verify- To prove to be truthful)

36
Q

Vit

A

Life (Vitality- Liveliness)

37
Q

Vitri

A

Glass or Glasslike (Vitreous- Resembling glass)

38
Q

Vol

A

Wish (Volunteer- to enter into or offer oneself freely)

39
Q

Vivi

A

Alive (Viviparous- Giving birth to living young)

40
Q

Zo, Zoi, Zoo

A

Animal (Zoology- Science of studying animal life)

ASVAB Word knowledge (4 decks)

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