Etymology
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Celsius

1797 in reference to the type of thermometer; 1812 in reference to the scale of temperatures, from the name of Swedish astronomer Anders Celsius (1701-1744) inventor of the centigrade scale in 1742. His family name is a Latinized translation of Högen, the name of the family estate in Sweden, taken as "mound," from Latin celsus "raised, high, lofty, great" (from PIE root *kel- (2) "to be prominent; hill"). 

updated on November 17, 2022

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