calorie

from WordNet (r) 3.0 (2006)

Calorie
    n 1: a unit of heat equal to the amount of heat required to
         raise the temperature of one kilogram of water by one
         degree at one atmosphere pressure; used by nutritionists to
         characterize the energy-producing potential in food [syn:
         {Calorie}, {kilogram calorie}, {kilocalorie}, {large
         calorie}, {nutritionist's calorie}]
    2: unit of heat defined as the quantity of heat required to
       raise the temperature of 1 gram of water by 1 degree
       centigrade at atmospheric pressure [syn: {calorie}, {gram
       calorie}, {small calorie}]

from The Collaborative International Dictionary of English v.0.48

Calorie \Cal"o*rie\, n. [F., fr. L. calor heat.] (Physics)
   The unit of heat according to the French standard; the amount
   of heat required to raise the temperature of one kilogram
   (sometimes, one gram) of water one degree centigrade, or from
   0[deg] to 1[deg]. Compare the English standard unit, {Foot
   pound}.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

20 Moby Thesaurus words for "calorie":
      BTU, British thermal unit, atomerg, dinamode, dyne, energid, erg,
      foot-pound, great calorie, horsepower-hour, horsepower-year, joule,
      kilocalorie, kilogram-meter, kilowatt-hour, photon, quantum,
      rational calorie, therm, thermal unit