11-letter words containing p, r, o, s, i
- imponderous — (obsolete) imponderable.
- importances — the quality or state of being important; consequence; significance.
- imposturous — the action or practice of imposing fraudulently upon others.
- imprecision — not precise; not exact; vague or ill-defined.
- impresarios — Plural form of impresario.
- impressions — Plural form of impression.
- imprisoning — Present participle of imprison.
- improvisate — To improvise; to extemporize.
- improvisers — Plural form of improviser.
- improvising — Present participle of improvise.
- improvision — (obsolete) The lack of provision, a failure to provide something.
- in personam — (of a judicial act) directed against a specific person or persons
- in progress — a movement toward a goal or to a further or higher stage: the progress of a student toward a degree.
- in prospect — expected, predicted
- inscription — something inscribed.
- inspiration — an inspiring or animating action or influence: I cannot write poetry without inspiration.
- inspirators — Plural form of inspirator.
- inspiratory — of or relating to inspiration or inhalation.
- inspissator — A heating device for thickening or congealing a liquid.
- interlopers — Plural form of interloper.
- interposing — Present participle of interpose.
- invert soap — cationic detergent.
- ionospheric — Of or pertaining to the ionosphere.
- iron sponge — sponge iron.
- isodiaphere — one of two or more nuclides in which the difference between the number of neutrons and the number of protons is the same
- isometropia — equality of refraction in the two eyes of an individual.
- isomorphism — the state or property of being isomorphous or isomorphic.
- isomorphous — (of a compound or mineral) capable of crystallizing in a form similar to that of another compound or mineral, used especially of substances so closely related that they form end members of a series of solid solutions.
- isopropanol — isopropyl alcohol.
- isospectral — (mathematics) Having the same spectrum.
- isoxsuprine — a sympathomimetic vasodilator, C 18 H 23 NO 3 , used in certain types of peripheral vascular disease.
- iteroparous — (of a plant) producing flowers and fruit more than once (usually many times) before dying
- janitorship — the office of janitor
- jeopardised — Simple past tense and past participle of jeopardise.
- jeopardizes — Third-person singular simple present indicative form of jeopardize.
- kiloparsecs — Plural form of kiloparsec.
- labor pains — childbirth: contractions
- larviparous — producing larvae, as certain insects and mollusks.
- leopardskin — the skin of a leopard
- lepidosiren — a lungfish, Lepidosiren paradoxa, of the Amazon, having an eel-shaped body.
- leprosarium — a hospital for the treatment of lepers.
- leptospiral — relating to, caused by, or characteristic of leptospires
- linesperson — (sports) A linesman or lineswoman.
- liposarcoma — (medicine) Any malignant tumour that originates in adipose tissue.
- lipotropins — Plural form of lipotropin.
- lister-plow — Also called lister plow, middlebreaker, middlebuster. a plow with a double moldboard, used to prepare the ground for planting by producing furrows and ridges.
- lithographs — Plural form of lithograph.
- lithosphere — the solid portion of the earth (distinguished from atmosphere, hydrosphere).
- lithotripsy — the pulverization and removal of urinary calculi using a lithotripter.
- liver spots — a form of chloasma in which irregularly shaped light-brown spots occur on the skin.