All articles starting with H
20,046 articles
Heavy cavalry
Heavy cavalry: armored horsemen, often with horse armor, using lance and sword shock charges; the medieval knight and ancient cataphract are exemplars, contrasted with light cavalry, superseded by tanks in World War II.
Heavy chain disease
Heavy chain disease (Franklin's disease, gamma-HCD) is a rare B-cell disorder producing truncated immunoglobulin heavy chains without light chains; alpha, gamma, and mu types exist, alpha being most common and antibiotic-responsive early.
Heavy Craving
Heavy Craving (大餓, Da e) is a 2019 Taiwanese drama, Hsieh Pei-ju's feature debut, about 30-year-old, 105-kg cook Ying-juan's dieting struggle; it won Taipei Film Festival Best New Talent and the Golden Horse FIPRESCI Prize.
Heavy cruiser
A heavy cruiser is a warship armed with guns of 8-inch (203 mm) caliber, a category created by the interwar naval disarmament treaties of 1922 and 1930.
Heavy D
Heavy D (Dwight Errington Myers, 1967-2011), Jamaican-born American rapper and leader of Heavy D & the Boyz, first act signed to Uptown Records; known for "Now That We Found Love," platinum albums, and later label presidency.
Heavy equipment
Heavy equipment, also called construction vehicles or earthmoving equipment, is a class of large machines like excavators, bulldozers, loaders, and cranes used in construction, mining, and agriculture.
Heavy Equipment Transport System
The Heavy Equipment Transport System, also known as the HET (Heavy Equipment Transporter), is the U.S. Army's M1070 tractor and M1000 semitrailer for moving main battle tanks.
Heavy Expanded Mobility Tactical Truck
The Heavy Expanded Mobility Tactical Truck (HEMTT) is a family of 8-wheel drive tactical trucks built by Oshkosh Defense for the United States Army since 1982.
Heavy fermion
A heavy fermion is a quasiparticle in rare-earth and actinide intermetallics whose effective mass can reach about 1000 times an electron's, a prototype of strongly correlated matter.
Heavy industry
Heavy industry is the branch of industry producing capital goods and basic materials like steel, cement, and chemicals in large plants, selling mainly to other industries and governments.
Heavy Ion Medical Accelerator in Chiba
The Heavy Ion Medical Accelerator in Chiba (HIMAC) is a heavy-ion accelerator at the National Institute of Radiological Sciences in Chiba, Japan, the world's first dedicated to medical use.
Heavy ion radiotherapy
Heavy ion radiotherapy, also known as carbon ion radiotherapy, is a radiation therapy technique using accelerated carbon ions to treat tumors, with sharp dose localization and elevated biological effectiveness.
Heavy Is the Crown (Linkin Park song)
Heavy Is the Crown is a 2024 Linkin Park song, second single from From Zero and the official League of Legends Worlds 2024 anthem, released September 24, 2024, recounting Faker and T1's title defense.
Heavy lift ship
A heavy lift ship is a specialized dry cargo ship carrying cargoes too heavy, large, or awkward for ordinary vessels, from locomotives and port equipment to drilling rigs.
Heavy Lifting
Heavy Lifting is the 2024 fourth and final MC5 album on earMUSIC, effectively a Wayne Kramer solo record produced by Bob Ezrin; both Kramer and Dennis Thompson died in 2024 before its October 18 release.
Heavy machine gun
A heavy machine gun is a belt-fed automatic weapon firing 12.7 mm to under 20 mm ammunition, typically vehicle-mounted with an effective range of 2,000 meters.
Heavy menstrual bleeding
Heavy menstrual bleeding (HMB, formerly menorrhagia) is excessive menstrual blood loss interfering with quality of life, affecting 20-50% of reproductive-age women. Causes include fibroids, bleeding disorders; LNG-IUS is the best first-line treatment.
Heavy Metal (album)
Heavy Metal (2024) is the debut solo album by Geese frontman Cameron Winter, released December 6, 2024 on Partisan Records. Despite the title it is not a metal album but a folk-soul singer-songwriter record produced by Loren Humphrey, partly recorded in Guitar Center stores.
Heavy Metal (film)
Heavy Metal (1981) is a Canadian-American R-rated animated anthology film directed by Gerald Potterton and produced by Ivan Reitman, based on the Heavy Metal magazine (Métal Hurlant), linked by the evil Loc-Nar orb, with a rock soundtrack and cult status.
Heavy Metal (magazine)
Heavy Metal is an American adult sci-fi, fantasy, and horror comics anthology magazine, launched April 1977 as the U.S. edition of France's Métal Hurlant by National Lampoon publisher Leonard Mogel; relaunched in 2025 by Heavy Metal International after a 2023 collapse.
Heavy Metal 2000
Heavy Metal 2000 (aka Heavy Metal: F.A.K.K.²) is a 2000 adult animated sci-fi film, the second based on Heavy Metal magazine, directed by Michael Coldewey and Michel Lemire, starring Julie Strain, Michael Ironside, and Billy Idol; critically panned at 8% on Rotten Tomatoes.
Heavy metal festivals in Asia and Africa
Heavy metal festivals in Asia and Africa are recurring metal events outside the genre's traditional circuit, from Indonesia's Hammersonic to Botswana's charity-founded Winter Metal Mania.
Heavy metal festivals in Australia and New Zealand
Heavy metal festivals in Australia and New Zealand are multi-band events and touring packages, running from the Big Day Out and Soundwave's collapse to Download Australia and Knotfest Australia.
Heavy metal festivals in Latin America
Heavy metal festivals in Latin America are recurring multi-band metal events, including Monsters of Rock Brazil, Monterrey Metal Fest, and Bogotá's free Rock al Parque.
Heavy metal genres
Heavy metal genres: the subgenre taxonomy of heavy metal music, also called metal, from traditional heavy metal and NWOBHM to extreme metal (thrash, death, black, doom), hybrids, and how scholars classify them.
Heavy metal music
Heavy metal music: rock genre from late 1960s/early 1970s UK and USA, also called metal, defined by distorted guitars and heaviness; spawned around 40 subgenres, a global fan culture, and the field of metal studies.
Heavy Metal: F.A.K.K. 2
Heavy Metal: F.A.K.K. 2, also called FAKK2, is Ritual Entertainment's 2000 third-person action game sequel to Heavy Metal 2000, starring Julie on Eden2, built on the Quake III engine with dual-wielding combat.
Heavy metals
Heavy metals is a loosely defined term, considered deprecated by IUPAC, grouping metals linked with pollution and toxicity; lead, mercury, cadmium, and arsenic raise the main health concerns.
Heavy neutral lepton
A heavy neutral lepton, or HNL, is a hypothetical electrically neutral fermion heavier than the known neutrinos, proposed to explain neutrino masses, dark matter, and the matter-antimatter asymmetry.
Heavy Object
Heavy Object (ヘヴィーオブジェクト) is a 20-volume military science fiction light novel series by Kazuma Kamachi, illustrated by Ryou Nagi, published under Dengeki Bunko 2009 to 2021, about soldiers Quenser and Heivia toppling giant war machines called Objects; adapted into a 24-episode 2015–2016 J.C. Staff anime.