All articles A–Z

Dezful

Dezful (دزفول), also Dezhpol, is an ancient city in northern Khuzestan, Iran, on the Dez River, defined by its Sasanian bridge-dam attributed to Shapur I or II, shavadan underground rooms, and sugarcane agriculture.

Dezhou

Dezhou (德州) is a prefecture-level city in northwestern Shandong, China, on the north bank of the Yellow River, known as China Solar City for its solar energy industry.

Dezhou Animal and Botanical Garden

Dezhou Animal and Botanical Garden (德州动植物园), a zoo-botanical-amusement park in Dezhou, Shandong, opened September 29, 2016, replacing the People's Park Zoo; free admission since March 1, 2025.

Dezik and Tsygan

Dezik (Дезик) and Tsygan (Цыган, "Gypsy") were two female Moscow stray dogs, the first dogs in space, launched 22 July 1951 on a Soviet R-1 rocket from Kapustin Yar to about 100 km and recovered alive by parachute; Dezik died on a later flight, Tsygan was adopted by physicist Anatoli Blagonravov.

Dezocine

Dezocine (Dalgan) is a synthetic mixed agonist-antagonist opioid analgesic, a partial biased μ-receptor agonist and mixed κ agonist-antagonist with norepinephrine reuptake inhibition, used mainly in China for postoperative pain and unscheduled in the US.

Dezso Fabian

Dezso Fabian (Dezső Fábián, 1918–1973), Hungarian water polo player and breaststroke swimmer nicknamed Zsöde; silver at London 1948, gold at Helsinki 1952, later championship-winning FTC coach.

Oct 20, 2026

Dezso Foldes

Dezso Foldes (Dezső Földes, 1880–1950) was a Hungarian sabre fencer and surgeon who won Olympic team sabre gold at London 1908 and Stockholm 1912, then emigrated to Cleveland, USA.

Dezso Gyarmati

Dezso Gyarmati (Dezső Gyarmati, 1927–2013), Hungarian water polo player and coach; Olympic medals at five Games (gold 1952, 1956, 1964), European champion 1954 and 1962, coached Hungary to 1976 Olympic gold.

Oct 22, 2026

Dezső Kosztolányi

Dezső Kosztolányi (Kosztolányi Dezső, 1885–1936) was a Hungarian poet, novelist, and translator of the Nyugat generation, known for the novels Skylark and Édes Anna.

Oct 20, 2026

Dezso Lemhenyi

Dezso Lemhenyi (Lemhényi Dezső, born Kollmann, 1917–2003), Hungarian water polo player: 1948 Olympic silver, 1952 Olympic gold; later coached Hungarian, French, and Canadian national teams and founded the Hungarian Olympic Champions Club.

Dezso Novak

Dezso Novak (Novák Dezső, 1939–2014), Hungarian defender, two-time Olympic football champion (1964, 1968) and Rome 1960 bronze medalist; Ferencváros legend, 1965 Fairs Cup winner, and three-time title-winning FTC coach.

Oct 10, 2026

Dezső Szabó (writer)

Dezső Szabó (1879–January 1945) was a Hungarian novelist, political satirist, and polemicist whose expressionist prose renewed Hungarian literary language; his 1919 novel Az elsodort falu sold some 200,000 copies.

Oct 22, 2026

Dezydery Chłapowski

Dezydery Chłapowski (1788–1879) was a Polish general and agricultural reformer who fought under Napoleon and in the November Uprising, then transformed his Turew estate with crop rotation, shelterbelts, and modern farming methods.

Df (Unix)

df (disk free) is a standard Unix command that reports disk space used and available on mounted file systems; it first appeared in Version 1 AT&T UNIX in 1971.

DF Holdco L.P. (venture capital fund)

DF Holdco L.P. is a Cayman Islands venture capital fund formed in 2026, managed by Bo Feng and Haseeb Ahmad Qureshi through its general partner, DF Holdco GP LLC.

DF-17

The DF-17 (Dong Feng-17, 东风-17) is a Chinese road-mobile, solid-fueled ballistic missile carrying the DF-ZF hypersonic glide vehicle, first shown publicly in 2019 and fielded around 2020.

DF-21

The DF-21, also known as Dong Feng-21 or CSS-5, is a Chinese road-mobile, solid-fuel medium-range ballistic missile that entered service in 1991 as China's first land-mobile solid-fuel missile.

DF-21D

The DF-21D (Dong Feng-21D, NATO designation CSS-5 Mod 5) is a Chinese medium-range ballistic missile designed to strike moving ships, including aircraft carriers, from ranges exceeding 1,500 km.

DF-26

The DF-26 (Dong Feng-26, 东风-26) is a Chinese road-mobile intermediate-range ballistic missile with a 4,000 km range, able to carry nuclear or conventional warheads and reach Guam, unveiled in 2015.

DF-31

The DF-31 (Dong Feng-31, 东风-31; NATO reporting name CSS-10) is a Chinese road-mobile, three-stage, solid-fueled intercontinental ballistic missile with a range of 7,000 to over 11,000 km, first deployed in 2006.

DF-41

The DF-41, also called Dongfeng-41, is a Chinese road-mobile intercontinental ballistic missile capable of carrying MIRVs, with a range of 12,000 to 15,000 km, China's longest.

DF-5

The DF-5 (Dongfeng-5, "East Wind 5"; US designation CSS-4) is a Chinese two-stage, liquid-propellant intercontinental ballistic missile deployed in 1980 that became the basis for China's Long March 2 launch vehicles.

DF-61 (东风-61)

The DF-61 (东风-61, Dongfeng-61) is a Chinese road-mobile intercontinental ballistic missile first shown publicly at a Beijing military parade in September 2025, seen as a successor to the DF-41.

DFB-Pokal

DFB-Pokal, the German football association cup, a 64-team knockout competition; men's final at Berlin Olympiastadion since 1985 (extended to 2030); first held 1935 as Tschammer-Pokal; Bayern beat Stuttgart 3:0 in the 2026 final.

DFG trial

DFG trial (NCT03582540), Early Versus Delayed Double-guidewire Technique in Difficult Biliary Cannulation: French multicenter randomized ERCP trial by Société Française d'Endoscopie Digestive; early double-guidewire use achieved 84% vs 50% cannulation within 10 minutes.