Real Words Without Definition
This one is a judgement call.
A scientific or medical word built out of Greek and Latin roots. This is the biggest group in the list, about a third of everything.
Medicine gives us anconitis, inflammation of the elbow, and adenalgy, pain in a gland. Chemistry gives us acetylsalicylic. Anatomy, botany and zoology all do the same thing.
Once you know the roots they are completely predictable, which is why no dictionary lists them all. You can keep making new ones forever.
18,355 words · sorted A to Z · each with a line on why it is here
Matches the word itself, not the note beside it. Case does not matter.
| Word, sorted Z to A | Field and meaning |
|---|---|
| oticodinia | medical, vertigo of aural origin |
| otidiform | zoology, shaped like a bustard (Otis) |
| otidine | zoology, pertaining to the bustards |
| otidium | zoology, a small ear-like organ |
| otiorhynchid | entomology, weevil of the Otiorhynchidae |
| otoantritis | medical, inflammation of the mastoid antrum |
| otoblennorrhea | medical, mucous discharge from the ear |
| otocariasis | medical, ear-mite infestation |
| otocerebritis | medical, brain inflammation from ear disease |
| otocleisis | medical, closure of the ear passage |
| otocranic | anatomy, of the otocranium |
| otocranium | anatomy, the bony chamber of the ear |
| otodynic | medical, relating to earache |
| otoencephalitis | medical, encephalitis following ear disease |
| otogenous | medical, originating in the ear |
| otographical | medical, of otography, description of the ear |
| otohemineurasthenia | medical, one-sided nervous exhaustion from ear disease |
| otomucormycosis | medical, mucor fungus infection of the ear |
| otomyces | medical, fungus growing in the ear |
| otonecrectomy | surgery, removal of dead bone from the ear |
| otoneuralgia | medical, neuralgia of the ear |
| otoneurasthenia | medical, nervous exhaustion of aural origin |
| otopharyngeal | anatomy, of the ear and pharynx |
| otophone | an ear trumpet or hearing aid |
| otopiesis | medical, inward pressure on the eardrum |
| otoplastic | surgery, of plastic repair of the ear |
| otopolypus | medical, a polyp of the ear |
| otopyorrhea | medical, purulent discharge from the ear |
| otopyosis | medical, suppuration of the ear |
| otosalpinx | anatomy, the Eustachian tube |
| otosis | medical, mishearing of sounds |
| ototomy | anatomy, dissection of the ear |
| ottajanite | petrology, a leucite lava from Ottajano |
| oturia | medical, urinous discharge from the ear |
| oudenodont | paleo., toothless dicynodont reptile |
| ouenite | petrology, a rock from Ile Ouen, New Caledonia |
| ovarin | pharmacy, extract of ovarian tissue |
| ovarioabdominal | medical, of ovary and abdomen |
| ovariocentesis | medical, surgical puncture of the ovary |
| ovariodysneuria | medical, painful ovarian neuralgia |
| ovariolumbar | medical, of ovary and loin |
| ovariorrhexis | medical, rupture of the ovary |
| ovariostomy | medical, drainage opening in an ovarian cyst |
| ovariotubal | medical, of ovary and Fallopian tube |
| oviculated | zoology, furnished with an oviculum |
| oviculum | zoology, egg-chamber of a bryozoan |
| ovicyst | zoology, egg-sac of a bryozoan |
| ovicystic | zoology, of an ovicyst |
| ovification | biology, formation of eggs |
| ovigerm | biology, the primordial egg cell |
| ovinia | medical, sheep-pox |
| oviparal | biology, egg-laying, oviparous |
| ovispermary | zoology, organ making eggs and sperm |
| ovispermiduct | zoology, duct for eggs and sperm |
| ovolemma | biology, membrane of the ovum |
| ovolytic | biology, dissolving egg substance |
| ovoplasm | biology, protoplasm of the ovum |
| ovoplasmic | biology, of the ovoplasm |
| ovorhomboid | botany, egg-shaped and rhomboid |
| ovorhomboidal | botany, egg-shaped and rhomboidal |
| ovuligerous | botany, bearing ovules |
| oxalaldehyde | chemistry, glyoxal, aldehyde of oxalic acid |
| oxalodiacetic | chemistry, an oxalo-diacetic acid |
| oxalonitrile | chemistry, cyanogen, nitrile of oxalic acid |
| oxaluric | chemistry, of oxaluric acid |
| oxalylurea | chemistry, parabanic acid |
| oxanate | chemistry, a salt of oxanic acid |
| oxanic | chemistry, oxanic acid, an oxalan derivative |
| oxdiacetic | chemistry, oxydiacetic acid |
| oxdiazole | chemistry, an oxadiazole ring compound |
| oxeate | zoology, of a sponge oxea spicule |
| oxeote | zoology, a pointed sponge spicule |
| oxetone | chemistry, a ketone of the oxetane series |
| oxoindoline | chemistry, an oxindole derivative |
| oxonic | chemistry, of oxonic acid |
| oxozonide | chemistry, an ozonide with added oxygen |
| oxyacanthin | chemistry, alkaloid of the barberry |
| oxyacanthous | botany, having sharp thorns |
| oxyaldehyde | chemistry, a hydroxy-aldehyde |
| oxyamine | chemistry, a hydroxylamine derivative |
| oxyanthracene | chemistry, hydroxy-anthracene |
| oxyanthraquinone | chemistry, hydroxy-anthraquinone |
| oxyaphia | medical, abnormally acute sense of touch |
| oxyaster | zoology, star spicule with pointed rays |
| oxyazo | chemistry, hydroxy-azo compound |
| oxybenzaldehyde | chemistry, hydroxybenzaldehyde |
| oxybenzyl | chemistry, the hydroxybenzyl radical |
| oxyberberine | chemistry, oxidation product of berberine |
| oxyblepsia | medical, abnormally acute vision |
| oxybutyria | medical, oxybutyric acid in the urine |
| oxycalorimeter | instrument gauging heat by oxygen used |
| oxycaproic | chemistry, hydroxycaproic acid |
| oxycephalous | medical, having a pointed skull |
| oxychlorate | chemistry, salt of an oxychloric acid |
| oxychlorine | chemistry, of oxygen with chlorine |
| oxycholesterol | chemistry, oxidized cholesterol |
| oxychromatic | biology, staining with acid dyes |
| oxychromatin | biology, acid-staining nuclear chromatin |
| oxychromatinic | biology, of oxychromatin |
| oxycinnamic | chemistry, hydroxycinnamic acid |
The other lists filed alongside this one.
