12-letter words containing t, r, o, s, i
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heterosexism — a prejudiced attitude or discriminatory practices against homosexuals by heterosexuals.
- heterosexist — a prejudiced attitude or discriminatory practices against homosexuals by heterosexuals.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterotopias — Plural form of heterotopia.
- hibernations — Plural form of hibernation.
- hidrocystoma — An adenoma of the sweat glands.
- high treason — treason against the sovereign or state.
- hindforemost — with the back part in the front place
- 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.
- hominy grits — grits (def 1).
- homoiotherms — Plural form of homoiotherm.
- honours list — annual list of persons given royal awards
- horse pistol — a large pistol formerly carried by horsemen.
- 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.
- 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.
- 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
- hydrologists — Plural form of hydrologist.
- 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.
- hydrosulfite — hyposulfite (def 1).
- hydrotropism — oriented growth in response to water.
- hygrochastic — of or relating to the opening of a fruit or flower caused by water or moisture
- hyperostosis — abnormal development of bony tissue.
- hypertension — Pathology. elevation of the blood pressure, especially the diastolic pressure. an arterial disease characterized by this condition.
- hypocoristic — endearing, as a pet name, diminutive, or euphemism.
- hypogastrium — the lower and median part of the abdomen.
- hysterogenic — inducing hysteria.
- 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.
- idiothermous — warm-blooded
- 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.