词源 |
refrigerant adj.1590s, originally of medicinal plasters, etc., "abating heat, cooling;" from Latin refrigerans, present participle of refrigerare "make cool or cold, to cool down," from re- "again" (see re-) + frigerare "make cool," from frigus (genitive frigoris) "cold" (see frigid). As a noun from 1670s, originally of medicinal agents; sense of "anything which abates heat, a freezing agent" is by 1885. updated on June 15, 2021 |