12-letter words containing r, o, s, h, a
- 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.
- 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.
- 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.
- 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.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- 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.
- hydrolysable — Alternative spelling of hydrolyzable.
- hydrolysates — Plural form of hydrolysate.
- hydromedusae — Irregular plural form of hydromedusa.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- 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
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperarousal — A state of heightened psychological and physiological tension resulting in reduced pain tolerance, anxiety, excessive response to sensory stimulation, insomnia, and fatigue.
- hypercoaster — Megacoaster.
- hyperosmolar — Of, pertaining to, or as a result of hyperosmolarity.
- hypersarcoma — a growth of proud or fungous flesh
- hypersomniac — a tendency to sleep excessively.
- hypogastrium — the lower and median part of the abdomen.
- hypoplastron — the third lateral plate in the plastron of turtles
- hypsographic — a branch of geography that deals with the measurement and mapping of the topography of the earth above sea level.
- hysteromania — unusually increased sexual desire in a woman
- iatrochemist — a person who practises iatrochemistry
- ichthyosaurs — Plural form of ichthyosaur.
- icosahedrons — Plural form of icosahedron.
- in search of — looking for, seeking
- infographics — Plural form of infographic.
- inharmonious — not harmonious; discordant; unmelodious.
- irish potato — potato (def 1).
- ischiorectal — (anatomy) Of or pertaining to the region between the rectum and the ischial tuberosity.