12-letter words containing a, s, h, o
- cytochalasin — any of a group of metabolites derived from fungus that interfere with cell processes
- czechoslovak — Czechoslovak means belonging or relating to the former state of Czechoslovakia.
- dasher block — a block at the end of a yard or gaff for supporting a signal or ensign halyard.
- dasyphyllous — (of leaves) hairy or woolly
- day hospital — part of a hospital that offers therapeutic services, where patients usually attend all day but go home or to a hospital ward at night
- death throes — The death throes of something are its final stages, just before it fails completely or ends.
- debaucherous — tending toward or involving debauchery, or excessive indulgence in sensual pleasures: a night of debaucherous fun.
- demographers — Plural form of demographer.
- demographics — data resulting from the science of demography; population statistics
- demographies — the science of vital and social statistics, as of the births, deaths, diseases, marriages, etc., of populations.
- diaphanously — In a diaphanous manner or to a diaphanous extent.
- diastrophism — the process of movement and deformation of the earth's crust that gives rise to large-scale features such as continents, ocean basins, and mountains
- dichromatism — the quality or condition of being dichromatic
- dictatorship — Dictatorship is government by a dictator.
- diphosphates — a pyrophosphate.
- disauthorize — to take authority away from (a person or organization)
- discographer — a person who compiles discographies.
- discographic — of or relating to a discography
- disharmonize — (intransitive) To cause disorder.
- dishonorable — showing lack of honor or integrity; ignoble; base; disgraceful; shameful: Cheating is dishonorable.
- dishonorably — In a dishonorable manner.
- dispatch box — a case or box used to hold valuables or documents, esp official state documents
- dog's chance — little likelihood; small chance (usually used in the negative): That project didn't have a dog's chance of succeeding.
- double sharp — a symbol (× or ) that raises by two semitones the pitch of the following note.
- douglas hurd — a third-class university degree
- douglas-home — Alexander Frederick (Baron Home of the Hirsel) 1903–1995, British statesman and politician: prime minister 1963–64.
- drama school — a college which trains students (who are generally 18+) to act
- drapery shop — a shop selling fabrics and sewing materials
- dreadnoughts — Plural form of dreadnought.
- dysmenorrhea — painful menstruation.
- earth closet — a type of lavatory in which earth is used to cover excreta
- east chicago — a port in NW Indiana, on Lake Michigan, near Chicago.
- east lothian — a historic county in SE Scotland.
- eating house — a restaurant or other place where one can eat
- echolocators — Plural form of echolocator.
- edaphosaurus — Any of several dinosaurs of the family Edaphosauridae, from the Carboniferous and Permian periods, that had a distinctive dorsal sail or crest.
- elasmobranch — A cartilaginous fish of a group that comprises the sharks, rays, and skates.
- electroclash — a type of electronic music, originating in the first decade of the 21st century, that combines modern techno with synthesizer music characteristic of the 1980s
- ellipsograph — an instrument that draws ellipses
- encompasseth — Archaic third-person singular form of encompass.
- englishwoman — adult female from England
- 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).
- 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.
- epitheliomas — Plural form of epithelioma.
- 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
- erythematous — Of or pertaining to erythema.