9-letter words containing a, p, r, i, o
- perovskia — a member of the Perovskia genus of aromatic plant native to central Asia, esp Russian sage, Perovskia atriplicifolia
- pervasion — to become spread throughout all parts of: Spring pervaded the air.
- petrosian — Tigran (tiɡˈran). 1929–84, Soviet chess player; world champion (1963–69)
- pharaonic — (sometimes lowercase) of or like a Pharaoh: living in Pharaonic splendor.
- piano bar — a cocktail lounge featuring live piano music.
- pickaroon — to act or operate as a pirate or brigand.
- picofarad — one trillionth of a farad. Abbreviation: pF.
- pictogram — pictograph.
- pictorial — pertaining to, expressed in, or of the nature of a picture.
- pifferaro — someone who plays the piffero
- pignorate — to pledge or pawn
- pillarbox — a technique for displaying a video recorded in portrait orientation on a wider screen by reducing its size but retaining the aspect ratio, with black bands filling the screen to the right and left of the picture (often used attributively): pillarbox format. Compare letterbox (def 2).
- piperonal — a white, crystalline, water-insoluble aldehyde, C 8 H 6 O 3 , which darkens on exposure to light: used chiefly in perfumery and organic synthesis.
- piroplasm — babesia.
- piroxicam — a white crystalline solid substance, C 1 5 H 1 3 N 3 O 4 S, used in the symptomatic treatment of osteoarthritis and rheumatoid arthritis and other musculoskeletal disorders.
- piscatory — of or relating to fishermen or fishing: a piscatory treaty.
- placitory — of or relating to pleas made to support a claim or a defence
- plainwork — simple needlework, such as hemming, as distinct from fancywork
- planiform — having a flattened shape, as an anatomical joint.
- podgorica — a republic in S Europe since 2006: formerly a constituent republic of Yugoslavia, in the SW part (1918–2006); an independent kingdom 1878–1918. 6333 sq. mi. (13,812 sq. km). Capital: Podgorica.
- polarised — to cause polarization in.
- polarized — of or relating to a medium that exhibits polarization.
- polarizer — a person or thing that polarizes.
- polaroids — Polaroid sunglasses
- polisario — an independence movement opposing Moroccan control of the Western Sahara, a former Spanish territory that Morocco annexed in stages beginning in 1976.
- pomerania — a former province of NE Germany, now mostly in NW Poland.
- porcelain — a strong, vitreous, translucent ceramic material, biscuit-fired at a low temperature, the glaze then fired at a very high temperature.
- poriferan — any animal of the phylum Porifera, comprising the sponges.
- porogamic — pertaining to or designating porogamy
- porphyria — a defect of blood pigment metabolism in which porphyrins are produced in excess, are present in the blood, and are found in the urine.
- port said — a seaport in NE Egypt at the Mediterranean end of the Suez Canal.
- port vila — the capital of Vanuatu, on the island of Efate. Pop: 44 040 (2009)
- portatile — portable
- portative — capable of being carried; portable.
- portinari — Cândido [kahn-dee-doo] /ˈkɑ̃ di dʊ/ (Show IPA), 1903–62, Brazilian painter.
- portolani — a descriptive atlas of the Middle Ages, giving sailing directions and providing charts showing rhumb lines and the location of ports and various coastal features.
- posigrade — of, relating to, or designating motion in the same direction as the current or normal motion
- posteriad — toward the posterior; posteriorly.
- posttrial — Law. the examination before a judicial tribunal of the facts put in issue in a cause, often including issues of law as well as those of fact. the determination of a person's guilt or innocence by due process of law.
- preaction — the process or state of acting or of being active: The machine is not in action now.
- preatomic — of or relating to the period of history preceding the atomic age.
- precocial — (of an animal species) active and able to move freely from birth or hatching and requiring little parental care (opposed to altricial).
- precoital — sexual intercourse, especially between a man and a woman.
- predation — depredation; plundering.
- predomain — (theory) A domain with no bottom element.
- prelation — the setting of one above another
- premosaic — of the period before Moses
- prenomina — praenomen.
- preobtain — to obtain in advance
- preordain — to ordain beforehand; foreordain.