12-letter words containing a, p, e, l, t, i
- geopotential — the difference between the potential energy of a mass at a given altitude and the potential energy of an identical mass at sea level, equivalent to the energy required to move the mass from sea level to the given altitude.
- giant planet — any of the planets Jupiter, Saturn, Uranus, and Neptune, characterized by large mass, low density, and an extensive atmosphere
- glacis plate — the frontal plate armour on a tank
- great plains — a semiarid region E of the Rocky Mountains, in the U.S. and Canada.
- heliotherapy — treatment of disease by means of sunlight.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hernioplasty — an operation for the repair of a hernia.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- 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.
- 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.
- hyperinflate — to subject to hyperinflation: hyperinflated prices.
- hyperplastic — Of, or relating to hyperplasia.
- hyperreality — The state or condition of being hyperreal.
- hyperspatial — Pertaining to hyperspace.
- hypertypical — excessively typical
- hypnotisable — Alternative spelling of hypnotizable.
- hypnotizable — One who is susceptible to hypnosis.
- hypothetical — assumed by hypothesis; supposed: a hypothetical case.
- impedimental — Of the nature of an impediment; hindering or obstructing.
- impenetrable — not penetrable; that cannot be penetrated, pierced, entered, etc.
- impenetrably — not penetrable; that cannot be penetrated, pierced, entered, etc.
- imperatively — absolutely necessary or required; unavoidable: It is imperative that we leave.
- imperatorial — Commanding; authoritative.
- imperialists — Plural form of imperialist.
- implicatures — Plural form of implicature.
- imputatively — In an imputative fashion or manner.
- in duplicate — in two copies, times two
- inacceptable — Unacceptable.
- inapparently — in an inapparent manner
- incapsulated — Simple past tense and past participle of incapsulate.
- incapsulates — Third-person singular simple present indicative form of incapsulate.
- incompatible — not compatible; unable to exist together in harmony: She asked for a divorce because they were utterly incompatible.
- incomputable — incapable of being computed; incalculable.
- indisputable — not disputable or deniable; uncontestable. indisputable evidence.
- inextirpable — incapable of being extirpated: inextirpable disease.
- inhospitable — not inclined to, or characterized by, hospitality, as persons or actions; unfriendly.
- inner planet — any of the four planets closest to the sun: Mercury, Venus, Earth, or Mars.
- inoperculate — having no operculum.
- inspectional — Of or pertaining to an inspection.
- inspectorial — Of or pertaining to an inspector or to inspection.
- internuptial — Of, or related to intermarriage.
- interpellant — a person who interpellates; interpellator.
- interpellate — to call formally upon (a minister or member of a government) in interpellation.
- interplaying — Present participle of interplay.
- interpleaded — Simple past tense and past participle of interplead.
- interpleader — a party who interpleads.
- interpleural — situated between the pleurae