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Medical Dictionary by Stedman's offers Stedman's online medical dictionary, free of charge, as part of our medical and drug information service. To use the medical dictionary, type in your search term below, or browse the A-Z index.

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Stedman's Medical Dictionary - More Information

Since 1911, Stedman's Medical Dictionary has been the medical profession's most trusted source for medical definitions. A complete medical terms dictionary, Stedman's Electronic Medical Dictionary (version 6.0) contains over 107,000 medical terms taken directly from Stedman's Medical Dictionary, 28th Edition.

The Stedmans medical terminology dictionary at contains medical terms, medical definitions, and some pronunciations. Stedmans provides the most comprehensive medical dictionary online, in an easy-to-use, flexible format. For future reference, bookmark important definition pages in your browser favorites.

For more information on diseases & conditions, see also: Harvard Health Topics, Patient CareNotes, Medical Encyclopedia.

Top 20 Dictionary Terms

Medical Dictionary by Stedman's A-Z Index


A → ACD ACE → actinomycin F1 actinomycins → adrenal hermaphroditism adrenal hypertension → albocinereous Albrecht → aluminum hydroxide gel aluminum hydroxychloride → amygdalase amygdalin → angioplasty balloon angiopoiesis → anterior fontanelle anterior fovea → antiphospholipid-antibody syndrome antiplasmin → aposome apostaxis → arteether α artefact → arthrokatadysis arthrolith → asymptomatic asymptomatic gallstones → autocytolysis autocytotoxin → azygous


B → basal membrane of semicircular duct basal metabolic rate → benzoyl chloride benzoyl hydrate → biophysics bioplasm → blue rubber bleb nevi blue sclera → bradykinin potentiator B bradykinin-potentiating peptide → bubbling rale bubo → Byzantine arch palate


C → candicidin Candida → cardiokymogram cardiokymograph → caudatum caudocephalad → central callus central canal → chagoma Chagres virus → cholangiotomy cholangitic abscess → chronic fibrous thyroiditis chronic focal sclerosing osteomyelitis → Clauberg Clauberg test → coenocyte coenocytic → common hepatic duct common iliac artery → congenitus congested → Corey Cori → counterirritant counterirritation → crossed paralysis crossed pyramidal tract → cutting edge cutting forceps → Czerny-Lembert suture


D → deep transverse muscle of perineum deep transverse perineal muscle → deoxyribose phosphate deoxyribosephosphate aldolase → diacetylmorphine diachronic → dimethylarsinic acid dimethylbenzene → djenkol poisoning djenkolic acid → drusen drusen of the macula → dysversion


e → Elapidae elastance → enamel niche enamel nodule → enterocyte enterocyte cobalamin malabsorption → epitoxoid epitrichial → ethmocranial ethmofrontal → extend extended clasp → ezrin


F → farnesyl pyrophosphate Farnsworth → fetal trimethadione syndrome fetal warfarin syndrome → fissura horizontalis pulmonis dextri fissura intersemilunaris → folie gémellaire Folin → Fröhlich syndrome Fraccaro → fura-2 furan → Fy blood group


G → gastrojejunostomy gastrokinesograph → GI cocktail Giacomini → glucogenesis glucogenic → gracilis (muscle) gracilis syndrome → gustatory hallucination gustatory hyperesthesia → gyrus temporalis transversus posterior


H → He antigens head → hemispherectomy hemisphericum → herpes herpes B encephalomyelitis → His-Tawara system His— → housefly housekeeping genes → hymenal hymenal caruncula → hypoderm Hypoderma → Hz


I → immunoproliferative disorders immunoproliferative small intestinal disease → infectious polyneuritis infectious porcine encephalomyelitis → innominate fossa innominate substance → internal cerebral veins internal collateral ligament of the wrist → intraparietal sulcus intraparietal sulcus of Turner → islet islet cell → Ixodoidea




K → Klebsiella pneumoniae Klebsiella pneumoniae ozaenae → kyto-


L → lanatosides A, B, and C Lancaster red green test → lateral surface of (shaft of) radius lateral surface of arm → Leriche Leriche operation → ligamentum gastrocolicum ligamentum gastrolienale → lipogenesis lipogenic → longitudinal fold of duodenum longitudinal fracture → lymphocytic leukopenia lymphocytic series → lyze


M → malleolar articular surface of tibia malleolar groove → Martegiani Martegiani area → medial great muscle medial habenular nucleus → membrana eboris membrana fibroelastica laryngis → mesonephroi mesonephroid tumor → microevolution microfibril → MIT Mitchell → mood-incongruent hallucination mood-incongruent psychosis → multifid multifidus → musculus longitudinalis inferior linguae musculus longitudinalis superior linguae → myocinesimeter myoclonia → Myxozoa


N → neon neonatal → neurogenic bladder neurogenic claudication → nodi lymphatici postvesiculares nodi lymphatici preaortici → notched teeth note blindness → nyxis


O → officinal Ofuji disease → ophthalmodynamometry ophthalmolith → orthomolecular psychiatry orthomolecular therapy → oval corpuscle oval fasciculus → ozostomia


p → pantetheine 4'-phosphate pantetheine kinase → parathyroid insufficiency parathyroid IV → partial enterocele partial epilepsy → pelvocaliectasis pelvocephalography → perinephritis perinephrium → Pflüger law PFOB → phosphoethanolamine cytidylyltransferase phosphofructoaldolase → pilimiction pilin → platelet actomyosin platelet aggregation test → pneumothermomassage pneumothorax → popcorn calcification popcorn worker's lung → posterior surface of tibia posterior surface of ulna → preganglionic nerve fibers pregeniculate nucleus → probang probe → prostatism prostatitis → pseudoreaction pseudoreplica → pulpify pulpit spectacles → pyruvate dehydrogenase pyruvate dehydrogenase (cytochrome) → PYY




R → rami malleolares laterales arteriae fibularis (peronei) rami malleolares mediales arteriae tibialis posterioris → rate equation rate meter → regio antebrachii posterior regio axillaris → resting saliva resting stage → rhinolith rhinolithiasis → roller bandage Roller nucleus → Rytand cardiac


s → Sarcopsyllidae Sarcoptes scabiei → scleroid scleroiritis → selenium selenium plate → Sertoli-cell-only syndrome Sertoli-Leydig cell tumor → silicate restoration silicatosis → SN sn- → spatium subdurale spatium superficiale perinei → spiral cochlear ganglion spiral computed tomography → staphylo- staphylococcal → stirrup stitch → styloiditis stylolaryngeus → subthalamic nucleus subthalamotomy → superior axioappendicular muscles superior azygoesophageal recess → suspended animation suspension → syphilitic roseola syphilitic teeth → Sz


t → tela subserosa pleurae tela subserosa testis → tetano- tetanoid → thoracic constriction of esophagus thoracic duct → tissue displacement tissue factor → tracheobiliary fistula tracheobroncheopathia osteoplastica → traumatic cataract traumatic cervical discopathy → trismic trismoid → tubulorrhexis tubulose → Tzanck test


U → urerythrin uresiesthesia → Uzbekistan hemorrhagic fever


V → vasomotor epilepsy vasomotor fibers → venereal venereal bubo → vestibular apparatus vestibular aqueduct → vitreous chamber of eye vitreous detachment → VZIG


W → wildfire wildfire rash → Wyman


X → XYY syndrome


Y → Yvon test


Z → ZZ genotype