CH
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Look up CH, Ch, ch, cH, or .ch in Wiktionary, the free dictionary. |
CH, Ch, cH, or ch may refer to:
Arts and entertainment
- Television channel (sometimes abbreviated as "ch." for television and cable stations)
- Chaos;Head, a video game
- CollegeHumor, a comedy website
- E!, a defunct Canadian television system that went by the name CH from 2001 to 2007
Businesses
- Bemidji Airlines (IATA code CH)
- Carolina Herrera, a fashion designer based in New York
- Columbia Helicopters, an aircraft manufacturing and operator company based in Aurora, Oregon, United States
In language
- Chamorro language: ISO 639 alpha-2 language code (ch)
- Ch (digraph), considered a single letter in several Latin-alphabet languages
Science and technology
Chemistry
- The methylidyne radical (carbyne) ⫶CH
- The methylidyne group ≡CH
- The methanetriyl group >CH−
- The methine group (methanylylidene, methylylidene) =CH−
Mathematics and computing
- Chomsky hierarchy, in computer science, a containment hierarchy of classes of formal grammars
- Continuum hypothesis, in set theory
- Hyperbolic cosine, in mathematics, a hyperbolic function, ch(x) = cosh(x)
- Curry–Howard correspondence, the relationship between computer programs and mathematical proofs
- CH register, the high byte of an X86 16-bit CX register
- Ch (computer programming), a cross-platform C/C++ interpreter
Medicine
- Cluster headache
- Cholesterol
- Congenital hypothyroidism, a condition of thyroid hormone deficiency present at birth
- Cerebellar hypoplasia, characterized by reduced cerebellar volume
Military technology
- Cargo helicopter (U.S. military helicopter alpha-numeric prefix)
- Chain Home, a World War II radar array
- Heavy cruiser (U.S. Navy ship code CH, standing for "Cruiser, Heavy")
In other sciences
- Clay of high plasticity (USCS soil type CH)
- Cassini-Huygens
Places
- Confoederatio Helvetica, the formal name for Switzerland, Latin in origin
- ISO country code for Switzerland
- .ch, the Internet country code top-level domain for Switzerland
- CH postcode area; the Chester postcode area in the UK
- Chihuahua (state), the State of Chihuahua, Mexico
- Conservation Halton, in Ontario, Canada
- China (FIPS and NATO country code CH)
Other uses
- Chain (length), a unit of linear measure in the Imperial system
- Championship (dog), a dog qualifying for a championship at a conformation show, prefixed "Ch."
- Christ's Hospital, Horsham, West Sussex
- Companion of Honour, a British and Commonwealth honour
- Chaudhary, an honorific used in the Indian and Pakistani Punjab regions
- Metres above the Sea (Switzerland), an elevation reference system
- The logo for the Montreal Canadiens ice hockey team, derived from its French name, Les Canadiens de Montréal and its nickname, Les Habitants
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