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List of prefixes

Prefix
see also: affix
MeaningExample
a- not atypical
ab-
ac-
acro-
adeno-
aero-
agro-
an-
andro-
anemo-
Anglo- English Anglo-German relations
ante- before antenatal, (before, birth)
anthro- relating to man anthropomorphic
anti- against anti-European, antisocial
auto- self autobiography
baro-
bi- two bicycle, bilingual, bimonthly
biblio- relating to books bibliography
bio- relating to life biotechnology
blasto-
brady-
brom-
broncho-
caco-
cardio-
cent-, centi- hundred centenary, centimeter
cephalo-
circum- around to circumnavigate (to sail around)
cito-
co- together copilot, to coexist, cooperation
colpo-
con- with, together context
contra- against, opposite to contradict, to contraflow
cosmo-
counter- against, opposite counterrevolution, counterproductive
crino-
crio-
cripto-
croma-
crono-
dactilo-
de- taking something away, the opposite to defrost, to decentralize
deci- one tenth deciliter
demo-
dermo-
di-
didacta
dinamo
dis- reverse, opposite to displease, to disembark
domo-
doxo-
eco-
ecto-
edafo-
electro-
embrio-
encephalo-
endo-
entero-
epi-
ergo-
eritro-
eroto-
esclero
espasmo-
esperma-
esphero-
esphigmo-
espleno-
esquizo-
estafilo-
estilo-
estomato-
ethno-
eu-
Euro- European Euro-MP (member of the European Parliament)
ex- former ex-wife, ex-president
exo-
extra- very, more than usual, outside, beyond extra-thin, extra-special

extraordinary, extraterrestrial

fore- before, in advance, foreground, forehead to foretell, foreword
in-, il-, im-, ir- not incorrect, invalid, illegible, immoral, impatient, impossible, irregular, irrelevant
inter- between, from oneto another international, interracial
kilo- thousand kilogram, kilowatt
maxi- most, very large maximum
mega- million, very large megabyte, megastar
micro- one millionth, very small microgram, microorganism
mid- in the middle of mid-afternoon, mid-air
milli- thousanth milligram, milliliter
mini- small miniskirt, minibus, miniseries
mis- bad or wrong, not to misunderstand, to misbehave, to miscalculate
mono- one, single monolingual, monorail
multi- many multilingual
non- not nonsense, non-resident, non-smoker
non- nine nonabyte, none, nonagon
out- more, to  a  greater degree to outdo, to outrun
over- more than normal, too much to overeat, to oversleep, to overestimate
post- after postwar
pre- before prepaid, preview
pro- for, in favour of pro-European, pro-democracy
quad- four quadruple, quadruplet
re- again to rewrite, to rebuild
semi- half semicircle, semidetached
sub- below, less than,

under

subzero, subsonic, subway, subtitles
super- extremely, more than superhuman, supersonic
tele- far, over  a  long distance telecommunications, television, telephoto lens
trans- across, though transatlantic, transcontinental
tri- three triangle, tricolor
ultra- extremely, beyond  a  certain limit ultra-modern, ultraviolet
un- not, opposite, take something away uncertain, uncomfortable, unsure, to undo, to undress
uni- one, single uniform