[1] : The Collaborative International Dictionary of English v.0.48

celsius \cel"sius\, n.
   the celsius thermometer or scale, so called from anders
   celsius, a swedish astronomer, who invented it. it is the
   same as the centigrade thermometer or scale.
   1913 webster

[2] : WordNet (r) 2.0

celsius
     n : swedish astronomer who devised the centigrade thermometer
         1701-1744 syn: anders celsius
see also:
anders celsius 

Celsius >> C Words
Celsius, definition of term: Celsius
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