12-letter words containing o, n, e, h, a
- diamond head — promontory in SE Oahu, Hawaii, near Honolulu, consisting of the rim of an extinct volcanic crater
- diazomethane — a yellow odourless explosive gas, used as a methylating agent. Formula: CH2:N:N
- diencephalon — the posterior section of the forebrain.
- disharmonize — (intransitive) To cause disorder.
- dishonorable — showing lack of honor or integrity; ignoble; base; disgraceful; shameful: Cheating is dishonorable.
- dodecahedron — a solid figure having 12 faces.
- dodecaphonic — musical composition using the 12-tone technique.
- dog's chance — little likelihood; small chance (usually used in the negative): That project didn't have a dog's chance of succeeding.
- down-at-heel — of a shabby, run-down appearance; seedy: He is rapidly becoming a down-at-heel drifter and a drunk.
- down-hearted — dejected; depressed; discouraged.
- dreadnoughts — Plural form of dreadnought.
- dysmenorrhea — painful menstruation.
- earth almond — chufa.
- earth tongue — any of a group of fungi of the phylum Ascomycota, characterized by a tongue-shaped fruiting body, found on decaying logs and damp soil.
- earth-moving — Earth-moving equipment is machinery that is used for digging and moving large amounts of soil.
- east lothian — a historic county in SE Scotland.
- eating house — a restaurant or other place where one can eat
- echinodermal — (zoology) Relating or belonging to the echinoderms.
- echolocation — the general method of locating objects by determining the time for an echo to return and the direction from which it returns, as by radar or sonar.
- elasmobranch — A cartilaginous fish of a group that comprises the sharks, rays, and skates.
- enantiomorph — Each of two crystalline or other geometric forms that are mirror images of each other.
- enantiopathy — the treatment of disease by opposites; allopathy
- enarthrodial — Relating to an enarthrosis.
- encompasseth — Archaic third-person singular form of encompass.
- encroachment — Intrusion on a person's territory, rights, etc.
- endochondral — occurring, or present, in cartilage
- endothelioma — Any of various mostly benign neoplasms derived from the endothelium of blood vessels or lymph channels.
- endotracheal — Situated or occurring within or performed by way of the trachea.
- englishwoman — adult female from England
- enharmonical — relating to the enharmonic scale
- enhypostasia — personalities existing in union (Jesus Christ and God the Son)
- enhypostatic — relating to enhypostasia
- enophthalmos — The posterior displacement of the eyeball within the orbit due to changes in the volume of the orbit (bone) relative to its contents (the eyeball and orbital fat), or loss of function of the orbitalis muscle.
- enthesopathy — (pathology) A disorder of entheses (bone attachments).
- entomophobia — Abnormal fear of insects or similar arthropods.
- eosinophilia — An increase in the number of eosinophils in the blood, occurring in response to some allergens, drugs, and parasites, and in some types of leukemia.
- epanorthosis — (rhetoric) A rhetorical device or element in which a speaker or writer retracts a word that has been spoken and substitutes a stronger or more suitable word; often done for emphasis or sarcasm.
- epencephalon — the cerebellum and pons Varolii
- epiphenomena — Plural form of epiphenomenon.
- epithalamion — A song or poem celebrating a marriage.
- epoch-making — An epoch-making change or declaration is considered to be extremely important because it is likely to have a significant effect on a particular period of time.
- eratosthenes — ?276–?194 bc, Greek mathematician and astronomer, who calculated the circumference of the earth by observing the angle of the sun's rays at different places
- erythropenia — A decrease in the number of erythrocytes, associated with anemia.
- ethanolamine — (chemistry) a hydroxy-amine, HO.CH2.CH2.NH2, manufactured by the reaction of ethylene oxide with ammonia; it is found naturally in a combined form in cephalin, and has many industrial applications.
- etherization — (surgery) anaesthetization using ether.
- etheromaniac — a person who is addicted to ether
- ethnographer — One who practices ethnography.
- ethnographic — Relating to ethnography.
- ethnological — Of or pertaining to ethnology.
- ethoxyethane — (organic compound) The systematic name for diethyl ether.