| Prefix | Meaning | Examples
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| a(n)- | not, without | atonality, asexuality, amoral , anarchy
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| ab- | away | abduction, absolutism, ablution
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| ac- | |
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| acr(o)- | high, up | Acropolis
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| aden(o)- | |
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| aer(o)- | air | aeronautics, aerodrome, aeroplane, aerodynamicsFluid dynamics Aerodynamics is a branch of fluid dynamics concerned with the study of gas flows. The solution of an aerodynamic problem normally involves calculating for various properties of the flow, such as velocity, pressure, density, and temperature,
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| agr(o)- | |
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| an- | |
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| an(a)- | out of | anachronismAn anachronism (from Greek ana back, and chronos time) is an artifact that belongs to another time, a person who seems to be displaced in time (i. who belongs to another age) or something located at a time when it could not have existed or occurred. One o
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| an(o)- | |
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| andr- | manThis article concerns how a man differs from women. For other meanings of man see Man (disambiguation). For other uses of boy see Boy (disambiguation Pioneer plaque sent to outer space A man is an male human adult, in contrast to an adult female, which is | androgynyIf referring to a flower, see disambiguation under bisexual Androgyny is the state of indeterminate gender, or characteristics of gender. Androgynous traits are those that either have no gender value, or have some aspects generally attributed to the oppos, androcentrismAndrocentrism ( Greek ανδρο, andro "man, male", χεντρον, kentron "center") is the practice, conscious or otherwise, of placing male human beings or the masculine point of view at the center of o, androidAn android is an artificially created being that resembles a human being. The word derives from Greek Andr 'man, human' and the suffix eides used to mean 'of the species, kind, alike' (from eidos 'species'). The word droid a robot in the Star Wars univers, androgenAndrogen is the generic term for any natural or synthetic compound, usually a steroid hormone, that stimulates or controls the development and maintenance of masculine characteristics in vertebrates. This includes the activity of the accessory male sex or
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| anem- | |
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| Anglo- | English or British | Anglo-Irish relations
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| ante- | before | antebellum
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| anthrop(o)- | relating to human beings | anthropology, anthropocentrism, anthropomorphic
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| ant(i)- | against | antidote, antibody, anticlockwise
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| aut(o)- | self | autonomy, autobiography, automobile, autopilot
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| bar(o)- | atmosphere |
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| bathy- | deep | Bathyscape, Bathysphere
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| be- | completely, thoroughly; excessively; on; around; about; used to form transitive verbs |
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| bi- | two | bicycle, bijection, bilingual, bicameralism, bisexuality
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| bi(o)- | life | biology, biography, biosphere, biotechnology
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| bibli(o)- | relating to books | bibliophilia, bibliography
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| blast(o)- | |
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| brady- | slow | bradycardia
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| brom(o)- | |
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| bronch(o)- | |
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| cac(o)- | |
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| cardi(o)- | heart | cardiovascular
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| cent-, centi- | hundred or hundredth | centenarian, centimeter, centipede
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| cephal(o)- | |
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| chrom(o)-, chromat(o)- | |
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| chron(o)- | time | chronology
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| circum- | around | circumcision, circumnavigation, circumlocution, circumference
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| cion(o)- | |
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| co- | together | cooperative, co-belligerence
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| colpo- | |
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| com-, con-, col-, cor- | with, together | conference, connotation, context, Congress, congregation
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| contr(a)-, contr(o) | against, opposite | contradiction, contraception, controversy
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| cosm(o)- | | cosmology, cosmopolitan, cosmotheism
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| counter- | against, opposite | counterpoint, counterweight, Counter-Reformation
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| crin(o)- | |
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| cry(o)- | frost, icy cold | cryogenics, cryoelectronics, cryostorage
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| crypt(o)- | hidden | cryptography, cryptozoology
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| cyt(o)- | hollow, receptacle, cell | cytoplasm, cytology
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| dactyl(o)- | |
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| de- | taking something away, the opposite | decentralisation, deforestation, dehydration, Denazification
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| dec(a)-, dek(a)- | ten | decamerous
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| deci- | one tenth | deciliter
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| dem(o)- | people, nation | demographics, democracy
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| derm(o)-, derm(a)-, dermat- | skin | dermatology, dermatitis
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| di- | two, double |
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| didact(o)- | apt at teaching |
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| dynam(o)- | power, force | dynamic, dynamite, dynamo
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| dis- | reverse, opposite | dissent, discovery, disambiguation
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| dox(o)- | Doxology |
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| dys- | bad, deformed, abnormal | dyspepsia , dystrophy , dysarthria
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| ec(o)- | house | economy, ecology, ecosystem, ecotourism, ecotage
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| ect(o)- | |
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| edaph(o)- | |
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| electr(o)- | | electrocution, electroencephalogram
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| embry(o)- | |
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| encephal(o)- | brain | encephalitis
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| end(o)-, ent(o)- | |
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| enne(a)- | nine | enneastyle
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| enter(o)- | |
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| eo- | dawn, early | eobacterium
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| ep(i)-, eph- | above | epitaxy
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| erg(o)- | | ergonomics
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| erythr(o)- | |
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| erot(o)- | |
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| stom(o)-, stomat(o)- | |
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| ethn(o)- | | ethnology, ethnolinguistics, ethnocentrism
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| eu- | good | eulogy, euthanasia, eugenics, euphemism
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| Euro- | European | Euro-MP ( Member of the European Parliament)
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| ex- | former | ex-wife, ex-president
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| ex(o)- | outside | exoskeleton
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| extra- | very, more than usual, outside, beyond | extra-thin, extra-special extraordinary, extraterrestrial
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| fore- | before, in advance | foreskin, foreshadowing
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| hemi- | half | hemimetabolous
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| hex(a)- | six | hexapod
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| hyper- | excessive, (least to greatest in order: hypo, sub, super, hyper) | hyperactive , hyperthyroidism
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| hyp(o)- | below, (least to greatest in order: hypo, sub, super, hyper) | hypodermic
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| in- | extremely | inflammable, invaluable
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| in-, il-, im-, ir- | not | infallibility, illiteracy, immoral, irrelevant
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| inter- | between, from one to another | intervention, international
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| kilo- | thousand | kilogram, kilowatt
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| mal- | bad, badly | malpractice, malnutrition
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| maxi- | most, very, large | maxi-dress
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| Mc- | McDonalds like | McJob, McPaper
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| mega-, megal- | million, very large | megabyte, megaphone
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| meta- | after, beyond | metacarpal, metaphysics
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| micro- | one millionth, very small | microgram, microorganism, micronation
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| mid- | in the middle of | mid-term elections, Mid-Autumn Festival, Mid-Atlantic Ridge
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| milli- | thousandth | milligram, milliliter
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| mini- | small | miniskirt, miniseries
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| mis- | bad, wrong | miscarriage, misanthropy, misogyny
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| mon(o)- | one, single | monolith, monorail, monotony, monocle
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| multi- | many | multiculturalism, multilingual
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| non- | not | nonsense, non-denial denial
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| non- | nine | none, nonagon
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| oct(o), oct(a)- | eight | octane, octopod , octagon
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| out- | more, to a greater degree | to outdo, to outrun
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| over- | more than normal, too much | overpopulation, over-consumption
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| pent(a)- | five | pentagon
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| post- | after | Post-Fordism, postpartum depression, postmodernity, postmodernism
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| pre- | before | prediction, preview, precedent, prenatal care
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| pro- | for, in favour of | pro-choice, pro-life
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| quadr-, quart- | four | quadrangle, quadruplet, quartic, quartile
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| quinqu(e)- | five, into five parts | quinquesection
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| quint(i)- | fifth, five | quintiped
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| re- | again, repeatedly | reduction, reflection, revolution
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| scler(o)- | hard | scleroderma atherosclerosis
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| semi- | half | semi-automatic, semi-detached
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| sept(a)- | seven | heptachord
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| sex(i)- | six | sexivalent
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| Sino- | Chinese | Sino-American relations
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| spasm(o)- | |
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| sperm(o)-, spermat(o)- | |
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| spher(o)- | |
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| sphygm(o)- | pulso | sphygmomanometer
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| splen(o)- | |
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| splanchn(o)-
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| schiz(o)-, schist(o)- | split | schizophrenia, schistocyte
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| staphyl(o)- | |
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| styl(o)- | pillar |
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| sub- | below, less than, under,(least to greatest in order: hypo, sub, super, hyper) | subset, subsonic, subway, subtitles
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| super- | extremely, more than,(least to greatest in order: hypo, sub, super, hyper) | superhuman, Superego, supersonic
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| tach(y)-, tach(o)- | fast, speed | tachycardia, tachometer
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| tel(e)-, tel(o)- | far, over a long distance | telecommunications, television, telephoto lens, telodynamic
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| tel(o)-, tel(e)- | end, complete, mature | teloblast
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| trans- | across, beyond | transfer, transubstantiation, transatlantic, Trans-Siberian railway
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| tri- | three | triangle, tricolor, triptych
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| ultra- | extremely, beyond a certain limit | Ultramontanism, ultraviolet
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| un- | not, opposite, take something away | unconstitutional, undelete
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| uni- | one, single | uniform, unification
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| ur- | first, original |
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