Etymology
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refrigerator (n.)

1610s, "something that cools, that which keeps cool," agent noun from refrigerate. As "cabinet or chamber for keeping food or other contents cooled to a little above freezing," 1824, originally in the brewery trade, in place of earlier refrigeratory (c. 1600). Electric-powered household refrigerating and ice machines were widely available from c. 1918.

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Definitions of refrigerator

refrigerator (n.)
white goods in which food can be stored at low temperatures;
Synonyms: icebox
From wordnet.princeton.edu