| Root | Meaning | Examples |
|---|---|---|
| all- | other, different | allele allogenic allotransplant allosaurus |
| an- | not, no | anemia |
| ante- | before, in front of | antebellum antemortem antechamber antediluvian antemundane anterior |
| anthrop- | human | anthropomorphic philanthropic anthropology |
| anti- | against | antibiotic antifungal antagonist antibody |
| arachn- | spider | arachnoid arachnid arachnophobia |
| arthr- | joint | arthritis arthropod articulated |
| aster- | star | asteroid asterism asterisk |
| audi- | hear | auditory auditorium audience |
| aur- | gold | aurora |
| auri- | ear | auricle
|
| auto- | self | automobile autopsy automatic autonomous |
| axi- | axis | axial axis |
| bar- | pressure, weight | barium bariatric barometer |
| belli- | war | antebellum bellicose belligerent rebellion |
| ben- | good, well | beneficial benefactor benevolent |
| bi- | two | bicycle bipedal bicameral bivalent bilateral |
| calc- | stone | calcium calcification |
| cap- | hold | capacity capacitor capture captive |
| cardi- | heart | cardiac cardiology cardioid pericardium |
| carn- | flesh | carnivore carnal carnival incarnation |
| cent- | hundred | century centurion centipede bicentennial |
| chir- | hand, forearm | chiroptera chiropractor chiral |
| chlor- | green | chlorine chlorophyl |
| chrom- | color | chromium monochromatic |
| chron- | time | chronometer chronic chronology anachronism |
| circ- | circular, round | circular circuit circumference |
| cis- | cut, kill | scissors incisor pesticide |
| contra- | opposite | contrary contralateral contrapositive contraindication |
| coron- | crown | coronal coronary corona |
| corp- | body | corpse corporation corporal |
| crypt- | secret, hidden | cryptic encrypt cryptogenic |
| culp- | blame, fault | culpable culprit exculpate |
| cyan- | blue | cyanosis cyan cyanotic |
| -cyt- | cell | cytology osteocyte cytokinesis |
| dactyl- | finger, toe | dactylitis pterodactyl syndactyly |
| dec- | ten | decade decathlon decimal decibel |
| dem- | people | demography democracy demagogue |
| dent- | tooth | dentist dental dentifrice indentation |
| derm- | skin | dermatitis dermatology dermatophyte intradermal pachyderm |
| di- | two | diatomic dipole dicot |
| dist- | away from | distal distant |
| dors- | back | dorsal dorsum |
| du- | two | duplex duopoly |
| duct- | lead, pull | ductile induction deduction |
| dys- | badly, ill | dysfunction dysphoria dyspnea |
| ec- | out | eccentric appendectomy |
| electr- | amber, electricity | electric electron electromagnetic |
| endo- | inside | endoscopy endovascular endogenous endocytosis |
| erytho- | red | erythroderma erythrocyte erythema |
| eu- | good, well | euphemism euphoria eukaryote |
| exo- | outside | exoplanet exogenous exotic |
| extra- | outside | extraordinary extraterrestrial extreme |
| fact- | make | factory manufacture |
| -fer- | to bear, to carry | transfer conifer aquifer |
| ferr- | iron | ferrous ferric |
| flav- | yellow | flavivirus flavinoid riboflavin |
| flect- | bend | inflection reflect genuflect deflect |
| fract- | break | fraction fracture |
| gen- | birth, beget, race, kind | genesis generate carcinogen hydrogen |
| germ- | grow, sprout | germinate germinal |
| graph- | write, draw | geography photograph graphic |
| heli- | sun | helium heliotropic |
| hem- | blood | heme hemoglobin hematologist hematoma |
| hemi- | half | hemisphere hemiplegia |
| hept- | seven | heptagon
|
| herb- | grass | herbicide herbarium herbivore |
| heter- | different, other | heteronym heterozygous heterophile |
| hex- | six | hexagon hexane hexapod |
| hom- | same | homzygous homophone homonym |
| hyper- | above, beyond | hyperactive hyperplasia hyperacute |
| hypo- | under, less than | hypothermia hypodermic hypoactive |
| infra- | below | infrared infrastructure |
| inter- | between | intercontinental interstellar interstitial interstate |
| intra- | within | intracellular intravascular intravenous intramural |
| -itis | inflammation | appendicitis arthritis cholecytitis colitis pericarditis |
| jov- | Jupiter | jovial perijove jovian |
| labi- | lip | nasolabial fold labial |
| lamin- | layer | laminate laminar |
| later- | side | lateral bilateral quadrilateral contralateral ipsilateral |
| lepto- | thin, small | lepton leptospirosis |
| leuko- | white | leukocyte leukemia leukoplakia |
| lith- | rock | lithium lithosphere otolith urolithiasis choledocholithiasis |
| lumin- | light | luminous luminary illuminate |
| lun- | moon | lunate lunatic cislunar lunar |
| lustr- | shiny | luster illustration |
| macro- | large | macroscale macroenvironment macroeconomics macrophage macrocytic |
| mal- | bad | malady malaise malevolent malice malignancy |
| malle- | hammer | mallet malleus malleable |
| mar- | sea | marine submarine mariner |
| medi- | middle | medium medial intermediate |
| mela- | black | melanoma melena melanocyte melatonin |
| mell- | honey | diabetes mellitus |
| meta- | above, beyond, among | metanym metamorphosis |
| meteor- | high in the air, the sky | meteorology meteorite |
| micro- | small | microscope microeconomics micrograph microbe microtome |
| mill- | thousand | millennium millipede million |
| mono- | one | monorail monocot mononucleosis monocyte monoclonal monolith |
| morph- | form, shape | morphology lagomorph morpheme anthropomorphic metamorphosis |
| mort- | death | mortification mortal postmortem antemortem rigor mortis |
| multi- | many | multiple multidimensional multipurpose |
| mut- | change | mutate mutant mutilate permutation |
| myo- | muscle | cardiomyopathy myositis myocyte |
| nano- | very small | nanometer nanotechnology |
| nat- | born | neonatal nativity native nation pregnancy nature |
| necr- | dead | necrosis necropsy |
| neo- | new | neon neophyte neolithic neonate neologism |
| nigr- | black | denigrate
|
| noct- | night | nocturnal nocturia |
| -nym | name, word | synonym antonym eponym pseudonym metanym contranym |
| oct- | eight | octopus October octogon |
| -oid | like | asteroid android spheroid ovoid |
| -ology | the study of | cardiology neurology dermatology theology phenomenology |
| omni- | all | omnipresent omnivore omniscient omnipotent |
| opt- | eye | optics optometry optimist synopsis biopsy |
| orb- | circle | orbit orb |
| ornith- | bird | ornithology
|
| ortho- | straight | orthopedics orthotic orthodox orthodontist |
| os- | mouth | tracheostomy colostomy per os |
| osteo- | bone | osteoarthritis osteocyte osteopenia osteoporosis |
| ov- | egg | ovoid oval ovipositor |
| pac- | peace | pacific pacifier pacifist |
| ped- | foot | pedal pedestrian |
| penta- | five | pentagon pentateuch |
| petr- | rock | petrified osteopetrosis |
| phag- | eat | esophagus sarcophagus macrophage |
| phil- | love | bibliophile Philadelphia heterophilic |
| -phobia | fear | acrophobia arachnophobia claustrophobic |
| phon- | sound | phonetics telephone phonograph microphone |
| photo- | light | photograph photoelectric photon photosynthesis |
| pisc- | fish | piscivore pisces |
| plat- | flat | plateau platysma |
| plumb- | lead | plumber plumbism |
| pne- | breath, spirit | pneumonia pneumatocyte pneumatics |
| poly- | many | polygon polygamy polynomial |
| post- | after, behind | posterior postmortem postscript |
| pro- | for, forward | procrastinate propel propulsion |
| proxim- | nearest | proximal approximate |
| pter- | wing | chiroptera pterodactyl pterygium |
| pulmon- | lung | pulmonology pulmonary |
| purpur- | purple | purpura
|
| -pus | foot | platypus octopus |
| quad- | four | quadrilateral quadruped quadriplegia quadrant |
| ren- | kidney | renal adrenal renin prerenal |
| rhod- | rose | rhododendron rhodium |
| ros- | red | rosacia roseola |
| rubr- | red | rubella ruby |
| sagitt- | arrow | sagittal
|
| sanguin- | blood | sanguivorous sanguine |
| sarc- | flesh | sarcoid sarcoma sarcomere |
| -scope | see | microscope telescope ophthalmoscope stethoscope |
| script- | write | transcript subscript postscript manuscript |
| sol- | sun | solar insolation |
| soma- | body | somatic chromosome macrosomia |
| spect- | to look at | inspect circumspect spectacle spectrum |
| spir- | breath, spirit | inspire respiratory spirit |
| stell- | star | interstellar constellation stellate |
| techn- | art, skill | technology technician technique technical technetium |
| tele- | far | telescope telegraph telemetry |
| terr- | earth, ground | terrain terrarium |
| tetra- | four | tetrapod tetrarch |
| therm- | heat | thermal thermometer thermite thermostat |
| thrombo- | clot | thrombus thrombocyte thrombolytic |
| tom- | cut | tomography atom cholecystectomy |
| trans- | across | transplant transverse transcutaneous transmit |
| tri- | three | triceratops triangle trilateral trivalent tricycle |
| trich- | hair | trichotillamania
|
| turb- | bother, disturb | turbulence perturb |
| ultra- | beyond | ultraviolet ultramarathon |
| umbilic- | belly button | umbilicus umbilicated umbilical cord |
| umbra- | shadow | umbrella
|
| ungu- | fingernail, hoof | subungual ungulate |
| uni- | one | unicorn unicycle universe unilateral |
| ventr- | belly | ventral ventricle |
| verm- | worm | vermiform vermivore |
| vir- | green | verdant viridescent |
| vor- | eat | voracious carnivore omnivore herbivore |
| xanth- | yellow | xanthochromic xanthoma |
| xen- | strange, foreign | xenophobia xenotransplant |
-
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