12-letter words containing s, o, r, t, 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-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
- iatrogenesis — (medicine) Any adverse effect (or complication) resulting from medical treatment.
- ichthyosaurs — Plural form of ichthyosaur.
- idolatrously — In an idolatrous manner.
- ignorantness — The state or quality of being ignorant; ignorance.
- ill-assorted — badly matched; incompatible
- illuminators — Plural form of illuminator.
- illustration — something that illustrates, as a picture in a book or magazine.
- illustrators — Plural form of illustrator.
- illustratory — Serving to illustrate.
- immigrations — Plural form of immigration.
- immiseration — to make miserable.
- immoralistic — (somewhat, rare) Of or relating to immoralism.
- immoralities — Plural form of immorality.
- immortalised — to bestow unending fame upon; perpetuate.
- immortalizes — Third-person singular simple present indicative form of immortalize.
- imperforates — Plural form of imperforate.
- impersonated — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonates — Third-person singular simple present indicative form of impersonate.
- impersonator — a person who pretends to be another.
- importancies — Plural form of importancy.
- importations — Plural form of importation.
- imprecations — Plural form of imprecation.
- improvisator — a person who improvises; improviser.
- incarnations — Plural form of incarnation.
- incinerators — Plural form of incinerator.
- inconversant — Not conversant or acquainted (with something); unfamiliar.