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Hindustan Motors
Hindustan Motors Limited is an Indian automobile manufacturer, incorporated in 1942 within the Birla group, best known for making the Ambassador car at Uttarpara, West Bengal, until 2014.
Hindustan Petroleum
Hindustan Petroleum Corporation Limited (HPCL) is an Indian state-controlled oil and gas company headquartered in Mumbai that refines crude oil and markets petroleum products across India.
Hindustan Urvarak and Rasayan Ltd
Hindustan Urvarak and Rasayan Ltd (HURL) is an Indian joint-venture fertilizer company, incorporated in 2016 to revive closed urea plants at Gorakhpur, Barauni, and Sindri.
Hindustan Zinc
Hindustan Zinc Limited, a Vedanta Group company, is India's largest and only primary zinc producer, also producing lead and silver from mines and smelters in Rajasthan.
Hines energy complex
The Hines energy complex is a natural gas-fired power station in Bartow, Florida, owned by Duke Energy Florida, with four combined-cycle blocks rated around 2,000 MW.
Hinge loss
The hinge loss is a convex loss function for binary classification, charging nothing once the prediction is correct with margin at least 1 and used by support vector machines.
Hinkley groundwater contamination
Hinkley groundwater contamination is a plume of hexavalent chromium beneath Hinkley, California, caused by PG&E discharging cooling tower wastewater into unlined ponds from 1952 to 1972.
Hinkley Point A nuclear power station
Hinkley Point A is a decommissioned twin-reactor Magnox nuclear power station on the Bristol Channel coast at Hinkley Point, Somerset, England, which ran from 1965 to 2000.
Hinkley Point C nuclear power station
Hinkley Point C, also known as Hinkley C, is a nuclear power station under construction on the Somerset coast, the first new UK nuclear plant in a generation.
Hino 500
The Hino 500 Series, sold in Japan as the Hino Ranger, is a line of medium-duty trucks made by Hino Motors, a Toyota subsidiary, sold across Asia, Australia, and other export markets.
Hino Motors (日野自動車)
Hino Motors (日野自動車) is a Japanese manufacturer of trucks and buses founded in 1942, a Toyota subsidiary from 2001 until its 2026 integration with Mitsubishi Fuso under ARCHION.
Hinotori (surgical robot)
Hinotori is a robot-assisted laparoscopic surgery system developed by Medicaroid of Kobe, Japan, and the first domestically developed surgical robot approved for clinical use in Japan.
Hint (app)
Hint is the name of several unrelated mobile apps, including a subscription astrology app, a Swedish streaming advisor, and a home app co-founded by Martha Stewart.
Hintze Ribeiro Bridge collapse
The Hintze Ribeiro Bridge collapse, known as the Entre-os-Rios disaster, killed all 59 people on a bridge over Portugal's Douro River on 4 March 2001.
Hinze Dam
Hinze Dam is an earth and rock-fill embankment dam on the Nerang River in South East Queensland, Australia, built in 1976 as the Gold Coast's main drinking water supply.
Hip roof
A hip roof, also known as a hipped roof, is a pitched roof in which every side slopes down toward the walls, leaving no vertical gable ends and performing better in high wind.
HiPEP
HiPEP (High Power Electric Propulsion) is a high-power gridded ion thruster developed by a NASA Glenn Research Center-led team for the proposed Jupiter Icy Moon Orbiter mission.
HiperLAN
HiperLAN, short for High Performance European Radio Local Area Network, is a family of wireless LAN standards by ETSI that never saw significant commercial deployment.
Hipparcos
Hipparcos (High Precision Parallax Collecting Satellite), a European Space Agency satellite launched in 1989, was the first space mission dedicated to astrometry, precisely measuring star positions and distances.
HiPPO (machine learning)
HiPPO (High-order Polynomial Projection Operator) is a machine learning framework that compresses signals and time series by projecting input history onto orthogonal polynomials, introduced at NeurIPS 2020.
Hippocratic AI
Hippocratic AI is a Palo Alto, California healthcare-AI startup co-founded by CEO Munjal Shah that builds safety-focused, patient-facing voice AI agents on its Polaris model architecture.
Hirakud Dam
Hirakud Dam is a dam across the Mahanadi river near Sambalpur, Odisha, India, commissioned in 1957 as one of independent India's earliest multi-purpose river valley projects.
Hiram Bingham (train)
The Hiram Bingham is a luxury tourist train operated by PeruRail between Cusco and Machu Picchu, Peru, named for the American explorer who publicized the Inca citadel in 1911.
Hiram Maxim
Sir Hiram Stevens Maxim (1840 to 1916) was an American-born British engineer who invented the Maxim gun, the first fully automatic machine gun, patented in 1884.
Hiram Sibley
Hiram Sibley (1807–1888) was an American entrepreneur who founded Western Union, completed the transcontinental telegraph in 1861, and later ran a seed business in Rochester.
Hiram Walker
Hiram Walker (1816–1899) was an American-born businessman and philanthropist who founded the Hiram Walker & Sons distillery in Walkerville, Ontario, and created the Canadian Club whisky brand.
Hirata Corporation
Hirata Corporation (平田機工) is a Japanese industrial automation company headquartered in Kumamoto, founded in 1951, that builds production systems, industrial robots, and semiconductor equipment for automotive and electronics industries.
Hiraya Water Corporation
Hiraya Water Corporation, formerly PrimeWater Infrastructure Corporation, is a Philippine water and wastewater provider serving over 1.7 million households through joint ventures with about 75 water districts.
HiredScore
HiredScore is an AI talent-orchestration software company founded in 2012 by Athena Karp and Gal Tal-Hochberg that grades and prioritizes job candidates inside employer applicant tracking systems; Workday acquired it in 2024.
Hiri trade
The hiri trade was the traditional Motu trade of Port Moresby, Papua New Guinea, in which sailing canoes carried clay pots to the Gulf of Papua for sago.