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Prefixes
| Term | Definition |
|---|---|
| a, an | without, lacking, deficient, not |
| ab | away from |
| ad, af | toward, to, near |
| ante | before, in front of, forward |
| anti, ant | against, opposing, preventing |
| brady | slow |
| contra | against, opposed |
| dia | through, between, across, apart |
| dis | apart, free from |
| dorso | to the back |
| dys | difficult, bad, painful, abnormal |
| ect, ecto, exo | outside of |
| end, endo, ent, ento | within, inside |
| ep, epi | upon, on, over |
| eu | normal, good, healthy |
| extra, extro | outside of, beyond, outward |
| hemi | half, partial |
| hyper | excessive, above, beyond |
| hyp, hypo | under, beneath, deficient |
| infra | below, beneath |
| inter | between |
| intra, intro | within, into |
| mal | bad, abnormal |
| mega, megalo | large, big |
| micr, micro | small |
| mult, multi | many |
| neo | new, recent |
| oligo | little, few |
| para | beyond, beside, after |
| peri | surrounding, around |
| poly | many, much, excessive |
| post | after, behind |
| pre, pro | before, in front of |
| pyo | pus |
| steno | narrow |
| sub | under, below, beneath |
| super, supra | above, excessive, superior |
| tachy | fast |
| therm | heat |
| trans | across, through, beyond |
| cyano | blue |
| erythro | red |
| leuko | white |
| melano | black |
| nulli | none |
| mon, mono | one |
| bi, di, dipl | two, double, twice |
| tri | three |