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PSR terminology
prefixes,
| Term | Definition |
|---|---|
| a-, an- | without, not |
| ab- | away from |
| ad- | toward, to, near |
| ambi- | both |
| ante-, pre-, pro- | before |
| anti-, contra- | against; opposed to |
| auto- | self |
| bi-, di- | two (Latin derivation); both |
| bio- | life |
| brady- | slow |
| circum-, peri- | around; circular movement |
| con-, sym-, syn- | with or together |
| de- | not; from; down |
| dia-, trans- | across or through |
| dis- | apart; separate |
| dys- | faulty; painful; difficult |
| e-, ec-, ex- | out; away |
| ecto-, exo-, extra- | outside |
| en-. endo-, intra- | inside, within |
| epi- | upon |
| eu- | normal or good |
| hemi-. semi- | half |
| hyper- | above or excessive; extreme |
| hypo- | deficient; below |
| infra-, sub- | under; below |
| inter- | between |
| mal- | bad |
| meso- | middle |
| meta- | beyond; after; change |
| micro- | small |
| mono-, uni- | one |
| neo- | new |
| pachy- | thick |
| pan- | all |
| para- | abnormal; alongside; beside |
| per- | through |
| poly-, multi- | many |
| post- | after |
| quadri-, tetra- | four |
| re- | again or back |
| retro- | backward or behind |
| sub- | under or below |
| super- | above or excessive |
| supra- | outside or beyond |
| tachy- | fast |
| tri- | three |
| ultra- | beyond, excessive |