12-letter words containing h, o, a
- horrifically — causing horror.
- horse around — a large, solid-hoofed, herbivorous quadruped, Equus caballus, domesticated since prehistoric times, bred in a number of varieties, and used for carrying or pulling loads, for riding, and for racing.
- horse guards — the mounted squadrons supplied by the Household Cavalry for ceremonial duties
- horse manure — horse's excrement
- horse marine — (formerly) a marine mounted on horseback or a cavalryman doing duty on shipboard.
- horse parlor — a gambling room where people can bet on horse races with a bookmaker.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- 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-collar — (especially in baseball) a score of zero.
- horse-dealer — a person who buys and sells horses as a profession
- horse-trader — a person who buys and sells horses
- horsebreaker — One who trains, or breaks in, horses.
- horsemanship — the art, ability, skill, or manner of a horseman.
- horseplayers — Plural form of horseplayer.
- hosepipe ban — a ban, due to water shortage, on using hosepipes to water the garden or wash cars
- hospital bed — a bed having side rails that can be raised or lowered and a mattress base in three jointed sections so that the head, foot, or middle may be raised by a crank or motor, allowing a patient to lie in various positions, as a therapeutic aid or for comfort.
- hospitalised — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalists — Plural form of hospitalist.
- hospitalized — to place in a hospital for medical care or observation: The doctor hospitalized grandfather as soon as she checked his heart.
- hospitalizes — Third-person singular simple present indicative form of hospitalize.
- host adaptor — SCSI adaptor
- hot swapping — (hardware) The connection and disconnection of peripherals or other components without interrupting system operation. This facility may have design implications for both hardware and software.
- 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 league — a sports league in which the members of all teams belong to the same organization, school, or company
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- 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.
- housebreaker — a person who breaks into and enters a house with a felonious intent.
- housecleaner — Someone employed to clean a house.
- housefathers — Plural form of housefather.
- househusband — a man whose spouse works and who stays home to manage their household.
- housemasters — Plural form of housemaster.
- 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.
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- how are you? — what is your state of health?
- how dare you — You say 'how dare you' when you are very shocked and angry about something that someone has done.
- hua guo feng — 1921–2008, Chinese Communist statesman; prime minister of China 1976–80
- huffman code — Huffman coding
- human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- human genome — genetic code of human beings
- humanisation — Alternative form of humanization.
- humanization — to make humane, kind, or gentle.
- humboldt bay — an inlet of the Pacific Ocean in NW California.
- humification — the formation of humus.
- humiliations — Plural form of humiliation.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydatidiform — like or resembling a hydatid