All articles starting with P
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Prohexadione
Prohexadione, used as prohexadione-calcium (CAS 127277-53-6), is an acylcyclohexanedione plant growth regulator inhibiting gibberellin biosynthesis; sold as Apogee, Kudos, Baseline, and Regalis for apples, peanuts, cherries, and turf.
Prohibited airspace
Prohibited airspace is a volume of airspace within which civil flight is forbidden outright, typically protecting sensitive sites such as the White House or Camp David.
Prohibited degree of kinship
A prohibited degree of kinship, also called a prohibited degree of relationship, is a family relationship, by blood or marriage, within which marriage is legally or religiously barred.
Prohibitin
Prohibitin (PHB1/PHB2, BAP32/BAP37, REA) is a conserved SPFH-family protein pair forming a ~1.2 MDa ring scaffold in the mitochondrial inner membrane, regulating cristae, OPA1, mitophagy, aging, cancer, and diabetes.
Prohibition
Prohibition: the legal forbidding of conduct by criminal law rather than regulation, covering malum prohibitum, the legality principle, limits on criminalization, and the US 1920–1933 alcohol ban under the Eighteenth and Twenty-first Amendments.
Prohibition in Canada
Prohibition in Canada was the banning of alcohol sales by most provinces, mostly from 1915 to the late 1920s, with a federal ban from 1918 to 1920. It was replaced by government-controlled liquor monopolies.
Prohibition in the United States
Prohibition in the United States (1920–1933), the Noble Experiment, banned alcohol manufacture, sale, and transport under the Eighteenth Amendment and Volstead Act; repealed by the Twenty-first Amendment in 1933.
Prohibition of Mixed Marriages Act, 1949
Prohibition of Mixed Marriages Act, 1949 (Act 55 of 1949), apartheid South Africa's first apartheid-era statute banning marriage between Whites and non-Whites; voided such marriages, extended extraterritorially in 1968, repealed 19 June 1985.
Prohibition of the use of force (Article 2(4))
The prohibition of the use of force, set out in Article 2(4) of the UN Charter, bars UN Members from threatening or using force against any state's territorial integrity or political independence.
Prohibition Party
The Prohibition Party, founded September 1, 1869 in Chicago, is America's longest-living minor political party, fielding presidential tickets since 1872 without winning an electoral vote; peak Bidwell 271,000 votes in 1892, goal achieved by the 1919 Eighteenth Amendment, now seeking 2028 Alaska ballot line.
Prohod
Prohod-1 (Проход-1, Passage) is a Russian heavy robotic demining complex developed by VNII Signal on the BMR-3MA vehicle, which shares its chassis with the T-90 tank.
Prohydrojasmon
Prohydrojasmon (PDJ), CAS 158474-72-7, is a synthetic jasmonate plant growth regulator mimicking jasmonic acid, used to enhance red color in apples, grapes, and citrus; registered in the US, Canada, Japan, Taiwan, and Korea but not approved in the EU.
Projapati 2 (প্রজাপতি ২)
Projapati 2 (প্রজাপতি ২), 2025 Bengali family drama by Avijit Sen, sequel to Projapati, starring Mithun Chakraborty and Dev; released 25 December 2025, ₹6.99 crore India net.
Project
A project is a temporary endeavor with a defined beginning and end, undertaken to create a unique product, service, or result, as distinct from ongoing, repetitive operations.
Project 100,000
Project 100,000 (New Standards) was a 1966–1971 U.S. Defense Department program lowering AFQT and other enlistment standards; about 346,000–354,000 men enlisted, with higher Vietnam casualty and disciplinary rates.
Project 17B-class frigate
Project 17B, also known as Project 17 Bravo, is an Indian Navy program for seven next-generation stealth frigates, Nilgiri-class follow-ons tendered by open bidding in 2026 for service in the 2030s.
Project 18-class destroyer
Project 18, also called the Next Generation Destroyer, is a planned class of stealth guided-missile destroyers for the Indian Navy, still in the design phase as of 2025.
Project 1972, Inc.
Project 1972, Inc., doing business as Chief, is a New York company founded in 2017 that runs a private professional network for senior women executives.
Project 2025
Project 2025 (Mandate for Leadership: The Conservative Promise) is the Heritage Foundation's 920-page, April 2023 conservative transition blueprint with 100 coalition partners; Trump disavowed it, but roughly half its recommendations were implemented in his second term's first year.
Project 2029
Project 2029 is a Democratic-aligned U.S. policy group founded by Andrei Cherny in 2025, run by executive director Chad Maisel, drafting a governing agenda for a prospective 2028 win, explicitly modeled on the Heritage Foundation's Project 2025.
Project 22160 patrol ship
The Project 22160 patrol ship is a class of modular offshore patrol vessels built for the Russian Navy, with six ships ordered for the Black Sea Fleet.
Project 25
Project 25 (P25), also called APCO Project 25, is a suite of standards for digital public safety radio, begun in 1989 to let radios from different manufacturers interoperate.
Project 7 (프로젝트7)
Project 7 (프로젝트7) was JTBC's 2024 boy group audition, Korea's first 'assembly-upgrade' format where viewers picked teams each round; 200 trainees narrowed to TOP7 who debuted as CLOSE YOUR EYES.
Project 76 submarine
Project 76, or P-76, is an Indian Navy program for indigenous diesel-electric attack submarines of about 3,000 tonnes, the first class India would design and build itself.
Project 8 (neutrino experiment)
Project 8 is a multi-institutional physics experiment aiming to measure the absolute neutrino mass by spectroscopy of tritium beta-decay electrons, using Cyclotron Radiation Emission Spectroscopy (CRES).
Project 86
Project 86 is an American rock/post-hardcore band formed in 1996 in Orange County, California, by vocalist Andrew Schwab, known for rapcore-to-metalcore albums like Drawing Black Lines (2000) and the Omni series.
Project A (计划) (film)
Project A (A計劃, 'A' gai wak) is Jackie Chan's 1983 Hong Kong directorial debut, an action comedy starring Chan, Sammo Hung, and Yuen Biao as coast guardsmen fighting pirates, famous for its bicycle chase and clock tower fall.
Project A II (A计划续集)
Project A II, also known as Project A Part II, is a 1987 Hong Kong action comedy film directed, co-written, and headlined by Jackie Chan, the second film in the Project A series.
Project A-Ko (プロジェクトA子)
Project A-Ko (プロジェクトA子) is a 1986 Japanese theatrical anime sci-fi comedy directed by Katsuhiko Nishijima, 83 minutes, about superhuman schoolgirl A-Ko, rival B-Ko, friend C-Ko, and an alien invasion of Graviton City; originally a Cream Lemon project, named after Jackie Chan's Project A.
Project A119
Project A119, or A Study of Lunar Research Flights, was a secret 1958-1959 US Air Force study by Leonard Reiffel's Armour Research Foundation team, with Carl Sagan modeling a lunar nuclear blast cloud; it was never executed.