CALORIC

caloric. Caloric, n. the matter or simple element of heat

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Ca‐lor″ic (?), 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. Caloric expands all bodies. Henry.