All articles starting with Q
2,252 articles
Quindío Department
Quindío Department, a small Colombian department in the coffee-growing Andes, created from Caldas by Law 2a of 1966 with capital Armenia, 1,845 km², 12 municipalities, and a coffee-and-tourism economy.
Quine (computing)
A quine is a computer program that takes no input and prints its own source code exactly, named by Douglas Hofstadter in 1979 after logician Willard van Orman Quine.
Quine–Putnam indispensability argument
The Quine–Putnam indispensability argument, also called the indispensability argument for mathematical realism, holds that since mathematics is indispensable to our best scientific theories, we ought to believe mathematical entities exist, supported by Quinean naturalism and confirmational holism and challenged by Field, Maddy, and Sober.
Quiñenco
Quiñenco S.A. is a publicly traded Chilean holding company, 82.9% owned by the Luksic family, founded in 1957, controlling Banco de Chile, CCU, and shipping interests.
Quinestrol
Quinestrol is a long-acting synthetic estrogen, the 3-cyclopentyl ether of ethinyl estradiol, formerly marketed as Estrovis and now used mainly in rodent fertility control research.
Quinethazone
Quinethazone (Hydromox) is a quinazoline-derived thiazide-like diuretic and antihypertensive, FDA-approved April 10, 1963 (NDA 013264, Lederle, 50 mg tablet), acting via distal tubule Na-Cl cotransporter inhibition; now discontinued.
Quinfamide
Quinfamide (WIN-40014, Quinfamida) is a dichloroacetyl tetrahydroquinoline luminal amebicide for intestinal amebiasis, given as one-day 300 mg adult or single 4.3 mg/kg pediatric doses; marketed mainly in Mexico, not FDA approved.
Quinic acid
Quinic acid, also called chinic acid, is a plant-derived carboxylic acid of the shikimate pathway, found in coffee, and a chiral building block for the influenza drug oseltamivir.
Quinidine
Quinidine, D-isomer of quinine from cinchona bark, is a class IA antiarrhythmic (sodium and potassium channel blocker) once standard for atrial fibrillation, now limited by proarrhythmia and mortality signals but used in Brugada syndrome and idiopathic ventricular fibrillation.
Quinine
Quinine is an alkaloid from the bark of South American cinchona trees, the first effective malaria treatment and now a second- or third-line antimalarial and tonic water ingredient.
Quinisext Council (Πενθέκτη Σύνοδος)
The Quinisext Council, also called the Council in Trullo or Trullan Council, was a council of Eastern bishops held in Constantinople in 691–692 that issued 102 disciplinary canons.
Quinkan rock art
Quinkan rock art is the body of Aboriginal rock paintings and engravings near Laura, in Cape York Peninsula, Queensland, with an estimated 10,000 sites dating back about 25,000 years.
Quinmerac
Quinmerac (7-chloro-3-methylquinoline-8-carboxylic acid, CAS 90717-03-6) is a BASF-developed synthetic auxin herbicide absorbed by roots, used in beets and against cleavers (Galium aparine) and Veronica spp.; EU-approved since 1 May 2011.
Quinn (soccer)
Rebecca Quinn, known mononymously as Quinn, is a Canadian soccer midfielder for Vancouver Rise FC and Canada who became the first openly transgender, non-binary Olympic medalist at Tokyo 2020.
Quinn Buckner
Quinn Buckner (William Quinn Buckner), born 1954 in Phoenix, Illinois, is a former NBA point guard for the Bucks, Celtics, and Pacers; 1984 NBA champion, 1976 Olympic gold medalist, 1976 undefeated NCAA champion at Indiana, later Mavericks head coach and Pacers executive.
Quinn Burlingame
Quinn C. Burlingame is a solar-cell researcher at Princeton University who studies the stability of organic and perovskite photovoltaics, and co-led a 2019 Nature study showing packaged organic solar cells can be intrinsically stable.
Quinn Cook
Quinn Cook, born 1993, is an American guard from Duke who went undrafted, won NBA titles with the 2018 Warriors and 2020 Lakers, and later played overseas, including in Israel.
Quinn Cummings
Quinn Cummings (born 1967, Los Angeles) is an American former child actress, Oscar-nominated for The Goodbye Girl (1977), a star of TV's Family, later inventor of the Hip Hugger baby carrier and author of Notes From the Underwire.
Quinn Ewers
Quinn Ewers, American NFL quarterback (Jacksonville Jaguars, formerly Miami Dolphins), Southlake Carroll star and No. 1 recruit of 2021; Ohio State redshirt, Texas starter 2022-2024 with 9,128 passing yards and 68 touchdowns; drafted 231st overall in 2025.
Quinn Fabray
Quinn Fabray (Lucy Quinn Fabray), fictional character on Fox's musical series Glee, played by Dianna Agron: McKinley cheer captain, Celibacy Club president, teen pregnancy storyline with Puck, daughter Beth, Yale student, Faberry fan pairing.
Quinn Hughes
Quinn Hughes (Quintin Hughes), American NHL defenseman, 2018 seventh overall pick, 2023-24 Norris Trophy winner as Canucks captain, traded to Minnesota Wild December 2025, 2026 Olympic gold medalist.
Quinn Hutson
Quinn Hutson (born 2002, North Barrington, Illinois) is an American right wing for the Edmonton Oilers, signed undrafted from Boston University; oldest brother of Lane, Cole, and Lars Hutson; AHL Rookie of the Month, December 2025.
Quinn Mathews
Quinn Mathews (Quinn Jack Mathews) is a St. Louis Cardinals left-handed starting pitcher, born 2000, Stanford alum, 2023 Pac-12 Pitcher of the Year, 2024 Minor League Pitcher of the Year with 202 strikeouts, MLB debut August 1, 2026.
Quinn Priester
Quinn Priester (Charles Quinn Priester), American MLB right-handed pitcher, born 2000; drafted 18th overall by Pittsburgh in 2019, pitched for Pirates, Red Sox, and Brewers, won 13 games in 2025, then had season-ending thoracic outlet surgery in 2026.
Quinn Shephard
Quinn Shephard (born 1995) is an American actress, writer, director, producer, and editor. Known for her debut feature Blame (Tribeca 2017), the youngest female filmmaker to screen a feature there, and Not Okay (2022).
Quinn Simmons
Quinn Simmons, American road cyclist from Durango, Colorado, riding for Lidl-Trek; 2019 junior road race world champion, three-time US national champion, first WorldTour win at the 2025 Volta a Catalunya, nicknamed Captain America.
Quinn the Eskimo (Mighty Quinn)
Quinn the Eskimo (The Mighty Quinn) is a 1967 Bob Dylan Basement Tapes song with the Band; Manfred Mann's 1968 cover, retitled The Mighty Quinn, hit UK number one, and Dylan first released his own live Isle of Wight version on Self Portrait in 1970.
Quinn XCII
Quinn XCII (Mikael Temrowski, born 1992) is a Detroit-born pop singer-songwriter blending hip hop, electronic, reggae, and Motown influences; known for Kings of Summer, Platinum singles, and seven albums through LOOK! I'm Alive (2025).
Quinnen Williams
Quinnen Williams, NFL defensive tackle (DT #92) for the Dallas Cowboys; Alabama Outland Trophy winner drafted 3rd overall by the Jets in 2019, 2022 All-Pro, traded from New York to Dallas at the 2025 deadline.
Quinnipiac University
Quinnipiac University, formerly Quinnipiac College, is a private university in Hamden, Connecticut, with about 9,700 students and nine schools, including a law school and medical school.