| 词源 |
caloric n.hypothetical fluid in a now-discarded model of heat exchange, 1792, from French calorique, coined in this sense by Lavoisier, from Latin calorem "heat" (nominative calor), from PIE root *kele- (1) "warm." The adjective, "pertaining to heat or the principle of heat," is recorded from 1865. updated on October 19, 2017 |