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HC, hc or H/C may refer to:

Science, technology, and mathematics[edit]



Other uses in science, technology, and mathematics[edit]

  • 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


  • 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[edit]