17-letter words containing a, p, r, i, o
- professional army — an army of trained soldiers
- professional foul — In football, if a player commits a professional foul, they deliberately do something which is against the rules in order to prevent another player from scoring a goal.
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- programming fluid — (jargon) (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
- progressive party — a political party formed in 1912 under the leadership of Theodore Roosevelt, advocating popular control of government, direct primaries, the initiative, the referendum, woman suffrage, etc.
- prohibition party — a U.S. political party organized in 1869, advocating the prohibition of the manufacture and sale of alcoholic beverages.
- promotional event — occasion organized to market or advertise sth
- pronominalization — to replace (a noun or noun phrase) with a pronoun.
- propanedioic acid — a colourless crystalline compound occurring in sugar beet. Formula: C3H4O4,CH2(COOH)2
- proportional font — a font type in which the width of letters and symbols varies depending on the letter or symbol
- proprietary brand — a brand of product that is privately owned and controlled
- prostatic utricle — a small pouch near the prostate gland that opens into the urethra.
- protection factor — a figure representing the relative degree of protection from the sun's rays afforded by a particular sunscreen
- protection racket — a criminal activity in which money gangsters extort money from victims in exchange for freedom from molestation
- protective tariff — a tariff levied on imports to protect the domestic economy rather than to raise revenue
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- provincial police — (in Canada) the police force of a province, esp Ontario or Quebec
- provincialization — to make provincial in character.
- prusso-danish war — a war of 1864 between Prussia and Denmark by which Denmark lost Schleswig-Holstein.
- pseudo-aggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-moralistic — a person who teaches or inculcates morality.
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychoprophylaxis — Lamaze method.
- psychotherapeutic — psychotherapy.
- pull your head in — be quiet!
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- put in a word for — to make favourable mention of (someone); recommend
- put into practice — If you put a belief or method into practice, you behave or act in accordance with it.
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- radiation pattern — the graphic representation of the strength and direction of electromagnetic radiation in the vicinity of a transmitting aerial
- radiation therapy — x-rays used as treatment
- radio in the loop — Wireless Local Loop
- radio-transparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
- rapid prototyping — (programming) The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
- recoil escapement — anchor escapement.
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- rehospitalization — the act, process, or state of being hospitalized.
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic of korea — a former country in E Asia, on a peninsula SE of Manchuria and between the Sea of Japan and the Yellow Sea: a kingdom prior to 1910; under Japanese rule 1910–45; now divided at 38° N into North Korea and South Korea. Compare Korean War.
- republic of palau — a republic comprising a group of islands in the W Pacific, in the W Caroline Islands; administratively part of the UN Trust Territory of the Pacific Islands 1947–87; entered into an agreement of free association with the US (1980); became fully independent in 1994. Chief island: Babelthuap. Capital: Ngerulmud on Babelthuap (functions moved from Koror in 2006). Pop: 21 108 (2013 est). Area: 476 sq km (184 sq miles)
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- res ipsa loquitur — the rule that an injury is due to the defendant's negligence when that which caused it was under his or her control or management and the injury would not have happened had proper management been observed.
- rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- respiratory tract — the passages through which air enters and leaves the body
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.