n. [ L. calor heat. ] (Physics) The conversion of obscure radiant heat into light; the transmutation of rays of heat into others of higher refrangibility. Tyndall. [ 1913 Webster ]

n. [ L. calor heat; cf. F. calorique. ] (Physics) The principle of heat, or the agent to which the phenomena of heat and combustion were formerly ascribed; -- not now used in scientific nomenclature, but sometimes used as a general term for heat. [ 1913 Webster ]

Caloric expands all bodies. Henry. [ 1913 Webster ]

a. Of or pertaining to caloric. [ 1913 Webster ]

Caloric engine, a kind of engine operated by heated air. [ 1913 Webster ]

n. (Physiol.) A faculty in animals of developing and preserving the heat necessary to life, that is, the animal heat. [ 1913 Webster ]

n. [ L. calor heat (fr. calere to warm) + E. duct. ] A tube or duct for conducting heat; a caliduct. [ 1913 Webster ]

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° to 1°. Compare the English standard unit, Foot pound. [ 1913 Webster ]

a. (Physiol.) See Calorificient. [ 1913 Webster ]

n. [ F. calorifère, fr. L. calor heat + ferre to bear. ] An apparatus for conveying and distributing heat, especially by means of hot water circulating in tubes. [ 1913 Webster ]

a. (Physiol.) See Calorificient. [ 1913 Webster ]

a. [ L. calorificus; calor heat + facere to make; cf. F. calorifique. ] Possessing the quality of producing heat; heating. [ 1913 Webster ]

Calorific rays, the invisible, heating rays which emanate from the sun, and from burning and heated bodies. [ 1913 Webster ]