6 prefixes final
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all about prefixesTRANSCRIPT
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PREFIXES
Function, Types and Examples
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Prefixes are added at the beginning of a word. Their function is to assign a new meaning to the word. These meanings can be: a negative meaning, the opposite meaning, a meaning related to position, a meaning denoting a number, etc. Prefixes can be of
different origin.They can be added to adjectives (and adverbs), nouns and verbs.Some prefixes are used with only one part of speech, for instance IL- is only used with adjectives, while others can be used for different parts of speech, e.g. UN- is used for nouns, adjectives and verbs.
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Adjectives: Prefixes with Negative and Opposite Meanings
IL-, IN-, IR-, IM-, UN-, DIS-, A-, NON-, PSEUDO- (meaning false), AB-Come up with an example of an adjective for each prefix.
Examples– legal
illegal– direct
indirect– regular
irregular– moral
immoral
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– official unofficial– respectful
disrespectful– typical
atypical– scientific
non-scientific*– scientific
pseudo-scientific*– normal
abnormal
*Note the difference in meaning between non-scientific and pseudo-scientific, i.e. the opposite and negative meaning are NOT the same thing.
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Adjectives: Prefixes Denoting Situation/Place
Table 5Prefix Meaning
extra- outside
intra- inside
inter- between
para- beside
peri- around
sub- underneath
infra- below
supra- above
retro- behind
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Examples
– outside the cells extracellular– inside the veins
intravenous– inside the muscle
intramuscular– between the vertebrae
intervertebral– beside the nose (nasum)
paranasal– around the tooth
peri(o)dontal
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– underneath the ribssubcostal– underneath the epidermis
subepidermal– below the sternum
infrasternal – above the orbit
supraorbital– behind the doudenum
retroduodenal
* More on the formation of adjectives related to anatomy, i.e. adjectives with Latin roots and compound adjectives in Unit 9 Adjectives.
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Nouns: Prefixes with Negative and Opposite Meanings
A-, DIS-, MIS- (meaning wrong/wrongly), NON-, UN-, MAL- (meaning bad/badly)
Come up with an example of a noun for each prefix.Examples
– symmetry asymmetry– satisfaction
dissatisfaction– understanding
misunderstanding– smoker
non-smoker – happiness
unhappiness – nutrition
malnutrition
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Verbs: Prefixes with Different Meanings
Negative and Opposite Meanings: CONTRA-, DE-, DIS-, MIS- (meaning wrong/wrongly), UN-, UNDER- Repetition: RE- Across, over, beyond: TRANS-
Come up with an example of a verb for each prefix.
Examples – indicate - contraindicate– activate- deactivate– connect- disconnect– calculate- miscalculate– do- undo– feed- underfeed– build- rebuild – plant- transplant
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Other Prefixes
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Prefixes Denoting NumbersMeaning one: MONO-, UNI-Meaning two: BI- , DI-Meaning three: TRI- Meaning more than three (many): MULTI-, POLY- For other numbers 4: QUADR-, 5: QUINT-, 6: SEX-, 7: SEPT-,
8: OCT-, 9: NON-Meaning a half: SEMI-, DEMI-
Most of these prefixes belong to the group of neoclassical prefixes. Come up with an example of a word for each prefix.Examplesunisex , monolingual, bisexual, tricycle, multimillionaire, polydactily, dioxide, quadrant, quintuplet, sextet, septangle, octogenarian, nonagon, semicircle, demimonde
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Neoclassical and Native English Prefixes with Different Meanings
In addition to the already listed prefixes there is a number of neoclassical prefixes and a number of native English prefixes with different meanings that are used in the English language. Some of them are listed in Table 6.
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Table 6
Prefix Meaning Example
ambi- both ambidextrous
ante- before antenatal
anti- opposite antibiotic
auto- self autoimmune
bio- biological, life biodegradable
co- with, joint cooperation
counter- against counterdrug
circum- around circumcision
eco- 1) house2) ecological
1) economy2) ecosystem
endo- inside endogenous
exo- outside exogenous
geo- related to the Earth geodesic
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Prefix Meaning Example
hetero- different heterosexual
homo- same homosexual
hyper- high, extra, over hypersensitivehypo- under, below, low hypothermia
hydro- related to water hydrophobic
kilo- a thousand kilogram
micro- extremely small/tiny
microbacillus
mini- small minivan
maxi- very large/long maxi-skirt
mega- , meaglo- extremely large/big megastoremegalopolis
milli- one thousandth part
milligram
neo- new, renewed neoclassical
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Prefix Meaning Example
pro- for, on the side of pro-life
proto- first, original prototype
super- over, more than, better, above
superpower
self- self self-inflicted
tele- at a distance television
ultra- 1) beyond 2) extreme
1) ultrasound2) ultralight