arithmetician

Meanings

1. 1
   noun

   a person who is skilled in or specializes in arithmetic

   A practiced arithmetician can detect an implausible total before repeating the calculation.

From Middle French arithmeticien, equivalent to arithmetic + -ian. Arithmetic ultimately comes through Latin and Greek arithmetike, the art of counting, from arithmos, number; arithmetician names a practitioner of that art.

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