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Prefixes
Prefixes and suffixes
1. Prefixes
A prefix is a group of letters at the beginning of a word which changes the words meaning. Here is a list of the most common prefixes and examples of how those prefixes are used.
Anglo- relating to the UK or England an Anglophile(= someone who loves England)
ante- before or in front of antedate antenatal anteroom
anti- 1 opposed to or against anti-racist laws
2 preventing or destroying an anti-aircraft missile
auto- 1 operating without being controlled by humans autopilot (= a computer that directs an aircraft)
2 self an autobiography (= a book that someone writes about their own life)
bi- two bilingual (= speaking two languages) bimonthly (= happening twice in a month or once every two months)
centi-, cent- hundred a centimetre a century
co- with or together a co-author to coexist
contra- against or opposite to contradict (= say the opposite) contraception (= something that is used to prevent pregnancy)
counter- opposing or as a reaction to a counter-attack (= an attack on someone who has attacked you)
cross- 1 across cross-border
2 including different groups or subjects a cross-party committee (= one formed from many political parties) cross-cultural
cyber- involving, using or relating to computers, especially the Internet cybercrime cyberculture cyberspace
de- to take something away deforestation (= when the trees in an area are cut down)
dis- not or the opposite of dishonest disbelief to disagree
e- electronic, usually relating to the Internet email e-commerce. Note: e- is usally joined onto a word with a hyphen (as in e-commerce) but email is usually written without a hypen
eco- relating to the environment eco-friendly tourism (= tourism which does not damage the environment)
en- 1 used to form verbs which mean to put into or onto something encase encircle endanger
2 used to form verbs which mean to cause to be something enable endear enrich
Euro- relating to Europe Europop (= modern, young peoples music from Europe)
ex- from before an ex-boyfriend an ex-boss
extra- outside of or in addition to extracurricular activities (= activities that are in addition to the usual school work)
geo- of or relating to the Earth geophysics geology
hyper- having a lot of or too much of a quality hyperactive hypersensitive (= more than normally sensitive)
ill- in a way which is bad or not suitable ill-prepared an ill-judged remark
in-, il-, im-, ir- not incorrect illegal impossible irregular
inter- between or among international an interdepartmental meeting
intra- within an intranet
kilo- a thousand a kilometre a kilogram
mega- 1 informal extremely megarich (= extremely rich)
2 one million 40 megabytes
micro- very small a microchip microscopic (= extremely small)
mid- in the middle of mid-July. a man in his midforties mid-afternoon/-morning
milli- a thousandth a millisecond
mini- small a miniskirt (= very short skirt) a minibus
mis- not or badly mistrust to misbehave
mono- one or single monolingual a monologue
multi- many a multi-millionaire a multi-storey car park
neo- new neo-fascists
non- not or the opposite of non-alcoholic drinks nonsmokers
omni- everywhere or everything omnipresent omniscient
out- more than or better than to outgrow to outnumber to outdo someone (= to show that you are better than someone)
over- too much to overeat overpopulated
photo- connected with or produced by light photosensitive photosynthesis
poly- many polygamy (= having more than one husband or wife at the same time) a polygon (= shape with many sides)
post- after or later than postwar a postgraduate
pre- before or earlier than pre-tax profits pre-school
pro- supporting pro-democracy demonstrations
pseudo- false a pseudonym (= false name used especially by a writer) pseudo-academic
psycho- of the mind or mental processes psychology
quasi- partly quasi-religious ideas
re- again to remarry a reusable container
retro- looking at or copying the past retrograde retrospective
self- of or by yourself or itself self-doubt self-critical
semi- half or partly a semicircle semi-frozen
socio- relating to society socio-economic
sub- 1 under or below subzero temperatures
2 less important or a smaller part of a larger whole a subsection
super- extremely or more than usual a supermodel super-rich
tele- over a long distance, done by telephone, or on or for television He worked in the telecommunications industry
thermo- relating to heat or temperature a thermostat (= piece of equipment that controls temperature) a thermometer
trans- 1 across transatlantic flights
2 showing a change to transform to translate
tri- three a triangle a tripod
ultra- extremely ultra-modern architecture ultracareful
un- not or the opposite of unhappy unfair to unfasten
under- 1 not enough undercooked potatoes underprivileged children
2 below underwear an underpass
| Create Date : 25 มีนาคม 2550 |
| Last Update : 25 มีนาคม 2550 23:44:42 น. |
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| โดย: นิรนาม IP: 58.9.178.94 วันที่: 11 พฤษภาคม 2550 เวลา:8:52:26 น. |
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| โดย: joon IP: 58.137.131.2 วันที่: 11 พฤศจิกายน 2550 เวลา:17:27:24 น. |
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| โดย: bumbim IP: 125.25.246.252 วันที่: 29 กรกฎาคม 2551 เวลา:22:13:56 น. |
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