HC
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Look up hc in Wiktionary, the free dictionary.
HC, hc, H-C or H/C may refer to:
Science, technology, and mathematics
Medicine
- Health Canada
- Hemicrania continua
- Hyperelastosis cutis or hereditary equine regional dermal asthenia
Chemistry
- Hemocyanin, a metalloprotein abbreviated Hc
- HC smoke, a US military designation for Hexachloroethane
- Homocapsaicin, a capsaicinoid
- Hydrocarbon, a category of substances consisting only of hydrogen and carbo
Computer Science
- H-C - Human-Computer, also H/C - Human/Computer, as in HCI - Human-Computer Interface, Human-Computer Interface
Other uses in science, technology, and mathematics
- Felix HC, a series of Romanian personal microcomputers produced by ICE Felix Bucharest and which were ZX Spectrum clones
- Hemianthus callitrichoides, a freshwater aquatic plant native to Cuba
- + h.c., a notation used in mathematics and quantum physics
Sports
- Hors catégorie (French), used in cycle races to designate a climb that is "beyond categorization"
- UCI .HC road cycling races (1.HC and 2.HC), the second tier of events in the sport, after the UCI World Tour
Other uses
- Heritage Corridor, a Metra commuter rail line running from Chicago to Joliet, Illinois
- Highway contract route, an outsourced United States Postal Service delivery method, formerly known as Star routes
- Honorary degree, or honoris causa
- Hors de commerce, prints similar to Artist Proofs except they are only available through the artist directly
- Hospitality Club, an internet-based hospitality service
- Aero-Tropics Air Services (IATA airline designator HC)