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Prefixes & Suffixes
Medical Terminology
| Term | Definition |
|---|---|
| a-, an- | Without |
| anti-, pre-, pro- | Before |
| anti-, contra- | Against |
| bi-, diplo- | Two |
| brady- | Slow |
| circum- | Around |
| de- | Away From |
| dia-, trans- | Through |
| dys- | Abnormal, painful, difficult |
| ecto-, | Outside |
| endo- | Within |
| epi- | Upon, over |
| eu- | Normal, good |
| ex-, exo-, extra- | Out of, away from, outside |
| hemi-, semi- | Half |
| hyper-, poly- | Above normal, excessive |
| hypo-, sub- | Below normal, below, underneath, inferior |
| inter- | Between |
| intra- | Within |
| iso- | Same |
| mal- | Bad, not adequate |
| megalo-, mega-, macro- | Large, big |
| micro- | Small, tiny |
| mono- | One |
| multi-, pluri- | Many |
| oligo- | Few, scanty, sparse |
| pan- | All |
| peri- | Around |
| post- | After, following |
| quadra-, quadri- | Four |
| re- | Again, backward |
| super-, supra- | Above, superior, more |
| tachy- | Fast, abnormally fast |
| ultra- | Beyond |
| uni- | One, single |
| -ac, -al, -ar, -ary, -eal, -ia, -ic, -ory, -ous, -tic | Pertaining to, condition (of) |
| -ad | Toward |
| -algia, -dynia | Pain |
| -ase | Enzyme |
| -asthenia | Weakness |
| -blast | Baby, immature |
| -cele | Hernia, abnormal protrusion |
| -cide, -cidal | Killing, destroying |
| -crine | To secrete |
| -cyte | Cell |
| -derma | Skin |
| -ectasia, -ectasis | Stretching, dilating |
| -ectomy | Surgical removing |
| -edema | Swelling, fluid accumulation |
| -ema, -iasis, -ism, -lepsy, -osis | Condition, abnormal condition |
| -emesis | Vomiting |
| -emia | Blood |
| -estesia | Sensation, feeling |
| -gen, -genesis, -genic | Producing, production, production of, formation |
| -globin, -globulin | Protein |
| -gram | Recording |
| -graph | Instrument used to record |
| -graphy | Process of recording |
| -itis | Inflammation |
| -kinesia, -kinesis | Movement |
| -logist | One who studies |
| -logy | The study of |
| -lysis, -lytic | Destruction |
| -mania, -manic | Abnormal preoccupation or obession |
| -megaly | Enlargement |
| -meter, metry | Measuring device, process of measuring |
| -oid | Resembling |
| -oma | Tumor |
| -opia | Vision |
| -ose | Sugar |
| -ostomy | Formation of a new opening |
| -para, -parous | Bearing, producing child |
| -pathy | Disease |
| -penia | Deficiency |
| -pepsia | Digestion |
| -pexy | Surgical fixation |
| -phage, -phagy, -phagia | To eat or digest |
| -phasia | Speaking |
| -phil, -philia | To love |
| -phobia | Abnormal fear |
| -phrenia, -phrenic | Mind, diaphragm |
| -plasty | Surgical repair |
| -plegia, -plegic | Paralysis |
| -pnea | Breath or breathing |
| -poiesis | Formation |
| -ptosis | Sagging or drooping |
| -rrhage, -rrhagia | Heavy discharge |
| -rrhaphy | Suturing |
| -rrhea | Discharge, flowing |
| -rrhexis | Rupture |
| -scope, -scopy | Instrument, process of using the instrument |
| -somnia | Sleep |
| -stasis | Stopping |
| -stenosis | Narrowing |
| -stomy | Opening |
| -tome | Instrument used for cutting |
| -tomy | The process of cutting |
| -trophic, -trophy | Nutrition |
| -uria | Urine |
| -version | Turning |
| -phonia | Sound |
| -malacia | Softening |