9-letter words containing o, p, t, e
- perfector — a person who completes or makes something perfect
- perforant — perforating; esp (of blood vessels) perforating other anatomical structures
- perforate — to make a hole or holes through by boring, punching, piercing, or the like.
- periaktos — an ancient device used for changing theatre scenery, usually consisting of a revolving triangular prism with different scenes painted on each face; the device was heavily used in the Renaissance
- peridotic — of, relating to, or containing peridot
- periodate — a salt of a periodic acid, as sodium periodate, Na 2 H 3 IO 6 .
- periproct — (in certain echinoids) that part of the body surface bordering the anus.
- peristome — Botany. the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed.
- permeator — to pass into or through every part of: Bright sunshine permeated the room.
- peronista — Peronist.
- perorator — a person who gives a peroration
- perotinus — ("Magnus Magister") fl. late 12th to early 13th century, French composer.
- personate — to act or portray (a character in a play, a part, etc.).
- pertusion — the process or act of making a hole with a stabbing or penetrating implement
- pesterous — having a propensity to pester, annoy, or to be trying
- pesthouse — a house or hospital for persons infected with pestilential disease.
- pestology — the analysis and research of pests and how to get rid of them
- pet owner — a person who owns a pet
- petaflops — (unit) 10^15 flops or 1000 teraflops. As with flops, the term ends in S in both the singular and plural as the S stands for seconds. The first computer to perform one petaflops was recorded in June 2008. By June 2012 there were 20.
- peter out — to diminish gradually and stop; dwindle to nothing: The hot water always peters out in the middle of my shower.
- petiolate — having a petiole or peduncle.
- petiolule — a small petiole, as of a leaflet in a compound leaf.
- petrichor — a distinctive scent, usually described as earthy, pleasant, or sweet, produced by rainfall on very dry ground.
- petrograd — former name (1914–24) of St. Petersburg (def 2).
- petrogram — a drawing or painting on rock, especially one made by a member of a prehistoric people.
- petrolage — the addition of petrol to the surface of a body of water to get rid of mosquitoes
- petroleum — oil used for fuel
- petroleur — a male individual who uses petroleum to cause explosions or fires
- petrology — study of rocks
- petronius — Gaius (ˈɡaɪəs), known as Petronius Arbiter. died 66 ad, Roman satirist, supposed author of the Satyricon, a picaresque account of the licentiousness of contemporary society
- petrosian — Tigran (tiɡˈran). 1929–84, Soviet chess player; world champion (1963–69)
- petticoat — slip worn under a skirt
- pettitoes — pig's trotters, esp when used as food
- phacolite — a colorless variety of chabazite.
- phagocyte — any cell, as a macrophage, that ingests and destroys foreign particles, bacteria, and cell debris.
- phase out — any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind.
- phenetole — a colorless, volatile, aromatic, water-insoluble liquid, C 8 H 1 0 O.
- phenolate — Also called phenoxide. a salt of phenol, as sodium phenolate, C 6 H 5 ONa.
- phenotype — the observable constitution of an organism.
- phenytoin — a barbiturate-related substance, C 1 5 H 1 2 N 2 O 2 , used as an anticonvulsant in the treatment of grand mal epilepsy and in focal seizures.
- phone tag — telephone tag.
- phone tap — an instance of listening secretly, usually illegally, to someone's phone conversations using special electronic equipment
- phonetics — (in Chinese writing) a written element that represents a sound and is used in combination with a radical to form a character.
- phonetism — the science of speech sounds and of writing phonetically
- phonetist — a person who uses or advocates phonetic spelling.
- phonolite — a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that ring on being struck.
- phonotype — a piece of type bearing a phonetic character or symbol.
- phosphate — Chemistry. (loosely) a salt or ester of phosphoric acid. a tertiary salt of orthophosphoric acid, as sodium phosphate.
- phosphite — (loosely) a salt of phosphorous acid.
- photocell — a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc.