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CMT Chapter 2
Comprehensive Medical Terminology Fifth Edition - Prefixes
| Prefix | Meaning |
|---|---|
| bi- | two, double |
| hemi- | half |
| milli- | one-thousandth |
| mono- | one, single |
| nulli- | none |
| primi- | first |
| quadri- | four |
| semi- | half |
| tetra- | four |
| tri- | three |
| uni- | one |
| hyper- | excessive |
| hyp-, hypo- | under, less than normal, below, beneath |
| multi- | many |
| poly- | many, much |
| ab- | from, away from |
| ad- | toward, increase |
| ambi- | both, both sides |
| ante- | before, in front |
| circum- | around |
| de- | down, from |
| dia- | through |
| ecto- | outside |
| endo- | within |
| epi- | upon, over |
| ex- | out, away from |
| exo-, extra- | outside, beyond, outward |
| hypo- | under, below |
| in- | inside, within |
| infra- | beneath, under |
| inter- | between |
| intra- | within |
| juxta- | near, beside |
| meso- | middle |
| para- | near, beside |
| peri- | around |
| pre- | before, in front |
| pro- | before, in front |
| re- | back, again |
| retro- | backward, behind |
| sub- | under, below |
| supra- | above, over |
| trans- | across, through |
| black | melan/o |
| blue | cyan/o |
| gray, silver | glauc/o, poli/o |
| green | chlor/o |
| purple | pur, pur/o |
| red | erythr/o, eosin/o, rube- |
| white | alb-, albin/o, leuk/o |
| yellow | cirrh/o, jaund/o, xanth/o |
| a-, an- | without, not, no |
| ana- | not, without |
| anti-, contra- | against |
| dis- | free of, undo |
| im- | not |
| in- | in, inside, within |
| non- | not |