Cal or CAL may refer to:

Arts and entertainment

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Aviation

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Organizations and businesses

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People

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Places

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  • a short form of the state of California
  • Cal Islet, in the Madeira Islands Archipelago of Portugal
  • Çal, a district and town in southwest Turkey
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Science and math

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  • Calanthe, an orchid genus abbreviated cal. in horticulture
  • Calcium hydroxide, also called cal
  • Caliber, firearm barrel measurement
  • abbreviation for calorie, a unit of energy
  • (archeological) abbreviation of 'calendar' (before 1950), or 'calibrated' (after 1950), for a year as identified by radiocarbon dating (i.e. calBCE 3000, cal. 3600 BC)
  • Cold Atom Laboratory, an instrument to research Bose-Einstein Condensates on the International Space Station

Software

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Sports

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Other uses

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See also

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