13-letter words containing a, p, r, o
- platonic year — a period of about 26,000 years, equal to the time required for a complete revolution of the equinoxes.
- platykurtosis — the state of being platykurtic.
- play for time — a dramatic composition or piece; drama.
- play on words — a pun or the act of punning.
- pleasure boat — recreational vessel
- pleasure dome — a large building, facility, or place used for recreation.
- plesiosaurian — a member of the reptile order Plesiosauria
- plethysmogram — the recording of a plethysmograph.
- pleurocarpous — (of certain mosses) bearing the fructifications along the main stem or lateral branches.
- plimsoll mark — load-line mark.
- plique-a-jour — an enameling technique in which the colored enamels are fused into the spaces of a wire framework on a temporary backing; the backing is then removed, producing a translucent effect
- plural voting — right to vote more than once
- pluralization — to receive or take a plural form.
- pneumatograph — pneumograph.
- pneumatometer — an instrument for measuring either the quantity of air inhaled or exhaled during a single inspiration or expiration or the force of inspiration or expiration.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- pneumogastric — of or relating to the lungs and stomach.
- pocket-square — a handkerchief, often colored or figured, worn in the breast pocket of a suit or blazer as a fashion accessory.
- pococurantism — a careless or indifferent person.
- pococurantist — a person who demonstrates a tendency toward indifference
- poet laureate — (in Great Britain) a poet appointed for life as an officer of the royal household, formerly expected to write poems in celebration of court and national events.
- pointe claire — a city in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- poker machine — a fruit machine
- polar nucleus — Botany. either of two female haploid nuclei, in the embryo sac of flowers, that fuse to produce a diploid nucleus, which combines with a male nucleus to form the endosperm.
- polyarteritis — inflammation of the layers of an artery or of many arteries, usually caused by a severe hypersensitivity reaction, and characterized by nodules and hemorrhage along the involved vessels.
- polyarthritis — arthritis occurring in more than one joint.
- polyarticular — pertaining to or affecting many joints.
- polycarbonate — a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows.
- polychromatic — having or exhibiting a variety of colors.
- polyoma virus — a small DNA-containing virus, of the papovavirus group, that can produce a variety of tumors in mice, hamsters, rabbits, and rats.
- polyribosomal — relating to a polyribosome
- polysomnogram — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- pons asinorum — a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- pontificators — the office or term of office of a pontiff.
- poor relation — If you describe one thing as a poor relation of another, you mean that it is similar to or part of the other thing, but is considered to be inferior to it.
- poplar kitten — a moth, (Furcula bifida,) which has larvae like those of the related puss moth
- popular front — a coalition, usually temporary, of leftist and sometimes centrist political parties, formed against a common opponent, as fascism, and promoting social reform.
- popular music — music having wide appeal, esp characterized by lightly romantic or sentimental melodies
- porcelaineous — like porcelain
- porcelainlike — resembling porcelain
- porfirio diaz — (Josédela Cruz) Porfirio [haw-se th e lah kroos pawr-fee-ryaw] /hɔˈsɛ ðɛ lɑ ˈkrus pɔrˈfi ryɔ/ (Show IPA), 1830–1915, president of Mexico 1877–80, 1884–1911.
- pork-barreler — a politician, especially a senator or member of Congress who is party to or benefits from a pork barrel.
- porkpie (hat) — a man's soft hat with a round, flat crown
- pornification — the perceived pervasion of society in general or an aspect of it by the imagery, language, and attitudes associated with pornography
- port adelaide — the chief port of South Australia, near Adelaide on St Vincent Gulf. Pop: 33 145 (2006)
- port du salut — Port-Salut.
- port harcourt — a seaport in S Nigeria.
- port language — ["Communicating Parallel Processes", J. Kerridge et al, Soft Prac & Exp 16(1):63-86 (Jan 1986)].
- port of spain — (used with a plural verb) two islands in the N Atlantic Ocean, off the NE coast of Venezuela.