CH

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
• Clone Hero, a clone game version of popular rhythm game series Guitar Hero.
• CollegeHumor, a comedy website
• CH (television system), a defunct Canadian television system later known as E!

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

• Ch (digraph), considered a single letter in several Latin-alphabet languages
• Chamorro language: ISO 639 alpha-2 language code (ch)

Science and technology

Chemistry

• The methylidyne radical (a carbyne); CH^• (or •CH), CH^3• (or ⫶CH)
• The methylidyne 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
• Contraction hierarchies, in computer science, a speed-up technique for finding shortest paths in a graph

Medicine

• Cholesterol
• Cluster headache
• Congenital hypothyroidism, a condition of thyroid hormone deficiency present at birth
• Cerebellar hypoplasia, characterized by reduced cerebellar volume
• Cerebellar hypoplasia (non-human)
• French catheter scale (Charrière), a scale for medical catheters, also abbreviated as Fr
• Children's hospital

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)
• Chandigarh, a union territory of India
• Chapel Hill, North Carolina

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
• Adobe Character Animator, an Adobe software

This disambiguation page lists articles associated with the title CH.
If an internal link led you here, you may wish to change the link to point directly to the intended article.

This page was last edited on 14 February 2024, at 18:09