10-letter words containing p, e, r, o, t
- periastron — the point at which the stars of a binary system are closest (opposed to apastron).
- peridotite — a coarsely granular igneous rock composed chiefly of olivine with an admixture of various other minerals.
- periosteum — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- periphyton — the community of tiny organisms, as protozoans, hydras, insect larvae, and snails, that lives on the surfaces of rooted aquatic plants.
- peritoneal — the serous membrane lining the abdominal cavity and investing its viscera.
- peritoneum — the serous membrane lining the abdominal cavity and investing its viscera.
- permafrost — (in arctic or subarctic regions) perennially frozen subsoil.
- permeation — to pass into or through every part of: Bright sunshine permeated the room.
- pernoctate — to stay all night
- peroration — a long speech characterized by lofty and often pompous language.
- perovskite — a naturally occurring titanate of calcium, CaTiO 3 , found as yellow, brown, or black cubic crystals, usually in metamorphic rocks.
- persecutor — to pursue with harassing or oppressive treatment, especially because of religious or political beliefs, ethnic or racial origin, gender identity, or sexual orientation.
- personalty — personal estate or property.
- pestersome — to bother persistently with petty annoyances; trouble: Don't pester me with your trivial problems.
- petit four — a small teacake, variously frosted and decorated.
- petitioner — a formally drawn request, often bearing the names of a number of those making the request, that is addressed to a person or group of persons in authority or power, soliciting some favor, right, mercy, or other benefit: a petition for clemency; a petition for the repeal of an unfair law.
- petrodrome — an African elephant shrew
- petroglyph — a drawing or carving on rock, made by a member of a prehistoric people.
- petrograph — petroglyph.
- petrol can — a container for carrying petrol
- petrol cap — a small cover that goes over the hole in a vehicle into which you put petrol
- petrolatum — a translucent gelatinous substance obtained from petroleum; used as a lubricant and in medicine as an ointment base and protective dressing
- petroleous — having or consisting of petroleum or an oil obtained from rock
- petroleuse — a female individual who uses petroleum to cause explosions or fires
- petrolhead — a person who is excessively interested in or is devoted to travelling by car
- petromoney — the money that is regarded in terms of income derived from petroleum
- petronella — a type of traditional country dance from Scotland
- petrópolis — a city in SE Brazil, north of Rio de Janeiro: resort. Pop: 280 000 (2005 est)
- petrostate — a small oil-rich country in which institutions are weak and wealth and power are concentrated in the hands of a few
- phenocryst — any of the conspicuous crystals in a porphyritic rock.
- phonometer — a device for measuring the intensity of a sound.
- phosphuret — a phosphate
- photometer — an instrument that measures luminous intensity or brightness, luminous flux, light distribution, color, etc., usually by comparing the light emitted by two sources, one source having certain specified standard characteristics.
- photometry — the measurement of the intensity of light or of relative illuminating power.
- photophore — a luminous organ found in certain fishes and crustaceans.
- phototrope — a type of robot that either seeks or flees from sources of bright light
- pianoforte — a piano.
- piesporter — any of various white wines from the area around the village of Piesport in the Moselle valley in Germany
- piezometer — any of several instruments for measuring the pressure of a fluid or the compressibility of a substance when subjected to such a pressure.
- piezometry — the measurement of pressure or compressibility.
- pinspotter — pinsetter.
- pirouetter — someone who performs pirouettes
- pit worker — a person who works down a mine, esp a coal miner
- planometer — surface plate.
- pleiotropy — the phenomenon of one gene being responsible for or affecting more than one phenotypic characteristic.
- pleromatic — relating to the pleroma
- pleurodont — fused or attached to the inner edge of the jaw, as a tooth.
- pleurotomy — surgical incision into the pleura, esp to drain fluid, as in pleurisy
- pocket rat — kangaroo rat (sense 1)
- poetastery — the work done by a poetaster