12-letter words containing s, i, r, o
- heterotopias — Plural form of heterotopia.
- hibernations — Plural form of hibernation.
- hidrocystoma — An adenoma of the sweat glands.
- hidropoiesis — the production of sweat.
- hierocracies — Plural form of hierocracy.
- hierophanies — Plural form of hierophany.
- high treason — treason against the sovereign or state.
- high-scoring — (of a football etc match) in which a lot of goals are scored
- highschooler — (US) A student at a high school.
- hillsborough — a town in W California.
- hindforemost — with the back part in the front place
- hippo regius — a seaport of ancient Numidia: St. Augustine was bishop here a.d. 395–430; the site of modern Annaba, in Algeria.
- his-lordship — (often initial capital letter) a term of respect used when speaking of or to certain noblemen (usually preceded by his or your).
- histographic — a treatise on or description of organic tissues.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- historicized — Simple past tense and past participle of historicize.
- historiology — (obsolete) a discourse on history.
- histrionical — (British) Alternative form of histrionic.
- hobble skirt — a woman's skirt that is very narrow at the bottom, causing the wearer to walk with short, mincing steps.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holothurians — Plural form of holothurian.
- homebuilders — Plural form of homebuilder.
- hominy grits — grits (def 1).
- homoiotherms — Plural form of homoiotherm.
- homomorphism — Biology. correspondence in form or external appearance but not in type of structure or origin.
- honorius iii — (Cencio Savelli) died 1227, Italian ecclesiastic: pope 1216–27.
- honours list — annual list of persons given royal awards
- hoovervilles — a collection of huts and shacks, as at the edge of a city, housing the unemployed during the 1930s.
- horribleness — causing or tending to cause horror; shockingly dreadful: a horrible sight.
- horse marine — (formerly) a marine mounted on horseback or a cavalryman doing duty on shipboard.
- horse pistol — a large pistol formerly carried by horsemen.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- horse riding — activity: riding on a horse
- 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.
- horsemanship — the art, ability, skill, or manner of a horseman.
- horseshoeing — Present participle of horseshoe.
- horsewhipped — Simple past tense and past participle of horsewhip.
- hostile fire — an unintentional fire, from which any resulting loss can be claimed as an insurance liability (opposed to friendly fire).
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- house prices — the sums in money for which houses may be bought or sold
- house spider — any largish dark spider of the genus Tegenaria that is common in houses, such as the cardinal spider
- house wizard — (Probably from ad-agency tradetalk, "house freak") A hacker occupying a technical-specialist, R&D, or systems position at a commercial shop. A really effective house wizard can have influence out of all proportion to his/her ostensible rank and still not have to wear a suit. Used especially of Unix wizards. The term "house guru" is equivalent.
- housebuilder — One who builds houses, particularly one who does so professionally.
- housepainter — A professional painter of houses.
- housetrained — Simple past tense and past participle of housetrain.
- housewarming — a party to celebrate a person's or family's move to a new home.
- hudson river — Henry, died 1611? English navigator and explorer.
- 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