Arithmetical
Pronunciation : Ar`ith*met"ic*al
Part of Speech : a.
Definition : Defn: Of or pertaining to arithmetic; according to the rules or method of arithmetic. Arithmetical complement of a logarithm. See Logarithm. -- Arithmetical mean. See Mean. -- Arithmetical progression. See Progression. -- Arithmetical proportion. See Proportion.
Source : Webster's Unabridged Dictionary, 1913