15-letter words containing s, o, r
- hernando cortes — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- heroin overdose — an excessive amount of the drug heroin, sufficient to cause illness or death
- heterochthonous — not indigenous; foreign (opposed to autochthonous): heterochthonous flora and fauna.
- heterodactylous — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterogeneities — the quality or state of being heterogeneous; composition from dissimilar parts; disparateness.
- heterogeneously — different in kind; unlike; incongruous.
- heteroscedastic — (of several distributions) having different variances
- heterosexualism — Discrimination of non-heterosexual people on the basis of their sexual orientation.
- heterosexuality — sexual feeling or behavior directed toward a person or persons of the opposite sex.
- hexylresorcinol — white or yellowish-white, needle-shaped crystals, C 12 H 18 O 2 , used chiefly as an antiseptic and for the expulsion of intestinal worms.
- hiberno-english — Also called Anglo-Irish. the English language as spoken in Ireland.
- hierogrammatist — a writer of hierograms, hierogrammate
- high priesthood — the condition or office of a high priest.
- high resolution — a great amount of detail visible in a photographic, TV, or video image
- high-resolution — having or capable of producing an image characterized by fine detail: high-resolution photography; high-resolution lens.
- histomorphology — histology.
- historical cost — The historical cost of an asset is its original cost when it was first acquired by a company.
- historicization — Act or process of historicizing.
- historiographer — a historian, especially one appointed to write an official history of a group, period, or institution.
- historiographic — the body of literature dealing with historical matters; histories collectively.
- holocrystalline — (of igneous rocks) having only crystalline components and no glass
- hoosier cabinet — a tall kitchen cabinet mass-produced during the early part of the 20th century, usually of oak, featuring an enameled work surface, storage bins, a flour sifter, etc.
- hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
- hopper casement — a casement with a sash hinged at the bottom.
- horatius cocles — a legendary Roman hero of the 6th century bc, who defended a bridge over the Tiber against Lars Porsena
- horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
- horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.
- horror-stricken — Horror-stricken means the same as horror-struck.
- horse artillery — cavalry equipped with artillery
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
- horsepower-hour — a foot-pound-second unit of energy or work, equal to the work done by a mechanism with a power output of one horsepower over a period of one hour.
- horticulturists — Plural form of horticulturist.
- hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
- hospital doctor — a hospital doctor works in a hospital, rather than as a general practitioner, in the army, etc
- host-host layer — transport layer
- hostess trolley — a trolley, usually wheeled, on which to keep food warm until the hostess is ready to serve it
- house of prayer — house of God.
- housemistresses — Plural form of housemistress.
- housing project — a publicly built and operated housing development, usually intended for low- or moderate-income tenants, senior citizens, etc.
- hovering vessel — a vessel in territorial waters apparently collaborating in illicit operations.
- hughes syndrome — a condition of the autoimmune system caused by antibodies reacting against phospholipids, leading to thrombosis
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- human resources — (used with a plural verb) people, especially the personnel employed by a given company, institution, or the like.
- hundred flowers — the 1957 political campaign in the People's Republic of China to encourage greater freedom of intellectual expression, initiated by Mao Zedong under the slogan “Let a hundred flowers bloom, let a hundred schools of thought contend.”.
- huntingdonshire — a former county in E England, now part of Cambridgeshire.
- hydrodynamicist — a specialist in hydrodynamics.
- hydrostatically — In a hydrostatic manner.
- hydrosulphurous — relating to or derived from hydrosulphurous acid
- hygroscopically — In a hygroscopic way.