12-letter words containing a, s, h, t, o, r
- histrionical — (British) Alternative form of histrionic.
- holkar state — a former state of central India, ruled by the Holkar dynasty of Maratha rulers of Indore (18th century until 1947)
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holothurians — Plural form of holothurian.
- homesteaders — Plural form of homesteader.
- horse trader — a person who is shrewd and clever at bargaining.
- horse trials — a competitive sporting event at which riders have to show their skill in dressage, show-jumping, and cross-country
- horse's tail — burro's tail.
- horse-trader — a person who buys and sells horses
- host adaptor — SCSI adaptor
- house arrest — confinement of an arrested person to his or her residence or to a public place, as a hospital, instead of in a jail: He was under house arrest until the day of his trial.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housefathers — Plural form of housefather.
- housemasters — Plural form of housemaster.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- hydrolysates — Plural form of hydrolysate.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrostatics — the branch of hydrodynamics that deals with the statics of fluids, usually confined to the equilibrium and pressure of liquids.
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hygrochastic — of or relating to the opening of a fruit or flower caused by water or moisture
- hypercoaster — Megacoaster.
- hypogastrium — the lower and median part of the abdomen.
- hypoplastron — the third lateral plate in the plastron of turtles
- hysteromania — unusually increased sexual desire in a woman
- iatrochemist — a person who practises iatrochemistry
- ichthyosaurs — Plural form of ichthyosaur.
- irish potato — potato (def 1).
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.
- isochromatic — Optics. having the same color or tint.
- isosthenuria — the inability of the kidneys to dilute or concentrate urine
- isothermally — occurring at constant temperature.
- joseph brant — Joseph (Thayendanegea) 1742–1807, Mohawk Indian chief who fought on the side of the British in the American Revolution.
- kashmir goat — one of a long-haired breed of goat raised in Tibet and the higher elevations of China, the Indian subcontinent, Afghanistan, and Turkey for its meat, milk, and cashmere wool.
- katamorphism — metamorphism at or near the earth's surface: breaks down complex minerals into simpler ones.
- katharevousa — The purist form of modern Greek used in traditional literary writing, as opposed to the form that is spoken and used in everyday writing (called demotic).
- lachrymosity — suggestive of or tending to cause tears; mournful.
- last honours — observances of respect at a funeral
- leatherwoods — Plural form of leatherwood.
- litholatrous — of or relating to the worship of stones
- lycanthropes — Plural form of lycanthrope.
- make history — do sth of great significance
- marshalltown — a city in central Iowa.
- massotherapy — treatment by massage.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- mechatronics — The synergistic combination of mechanical engineering, electronic engineering and software engineering for the study of automata from an engineering perspective and the control of advanced hybrid systems.