11-letter words containing p, o, i, r
- 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.
- interceptor — a person or thing that intercepts.
- intercouple — two of the same sort considered together; pair.
- intercupola — the space between an inner and an outer dome.
- interlopers — Plural form of interloper.
- interloping — to intrude into some region or field of trade without a proper license.
- interpolate — to introduce (something additional or extraneous) between other things or parts; interject; interpose; intercalate.
- interposing — Present participle of interpose.
- interpretor — Misspelling of interpreter.
- invert soap — cationic detergent.
- iodoprotein — a protein that contains iodine
- ionospheric — Of or pertaining to the ionosphere.
- ipratropium — an anticholinergic bronchodilator that is used esp in the treatment of certain forms of asthma
- iproclozide — A hydrazine drug previously used as an antidepressant, known to cause fulminant hepatitis.
- iron sponge — sponge iron.
- iron-pumper — a person who pumps iron; weightlifter.
- 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
- jawdropping — Alternative form of jaw-dropping.
- jeopardised — Simple past tense and past participle of jeopardise.
- jeopardized — Simple past tense and past participle of jeopardize.
- jeopardizes — Third-person singular simple present indicative form of jeopardize.
- job printer — a printer who does letterheads, invoices, announcements, and other miscellaneous work, as distinguished from one who works solely on books, periodicals, etc.
- juniper oil — an oil obtained from the berries or wood of the common juniper, Juniperus communis.
- karyotyping — the analysis of chromosomes.
- kiddie porn — child pornography.
- killer poke — A recipe for inducing hardware damage on a machine via insertion of invalid values (see poke) into a memory-mapped control register; used especially of various fairly well-known tricks on bitty boxes without hardware memory management (such as the IBM PC and Commodore PET) that can overload analog electronics in the monitor. See also HCF.
- kiloparsecs — Plural form of kiloparsec.
- kinetograph — a camera for taking pictures for a kinetoscope.
- kymographic — Of or pertaining to a kymograph.
- labor pains — childbirth: contractions
- lagomorphic — Shaped like a hare.
- lampworking — the method or process of producing articles made of glass tubes or rods formed or shaped while softened by the flame of a lamp or blast lamp.
- lapilliform — shaped like a pebble
- larviparous — producing larvae, as certain insects and mollusks.
- leopardskin — the skin of a leopard
- lepidoptera — the order comprising the lepidopterous insects.
- lepidoptery — the branch of zoology dealing with butterflies and moths.
- lepidosiren — a lungfish, Lepidosiren paradoxa, of the Amazon, having an eel-shaped body.
- leprosarium — a hospital for the treatment of lepers.