- refrigeration (n.)
- late 15c., "act of cooling or freezing," from Latin refrigerationem "mitigation of heat," especially in sickness, noun of action from refrigerare, from re- "again" (see re-) + frigerare "make cool," from frigus (genitive frigoris) "cold" (see frigid). Specifically of "freezing provisions as a means of preserving them" from 1881.