n. [ OE. arsmetike, OF. arismetique, L. arithmetica, fr. Gr. &unr_; (sc. &unr_;), fr. &unr_; arithmetical, fr. &unr_; to number, fr. &unr_; number, prob. fr. same root as E. arm, the idea of counting coming from that of fitting, attaching. See Arm. The modern Eng. and French forms are accommodated to the Greek. ]
Arithmetic of sines,
Political arithmetic,
Universal arithmetic,
a. Of or pertaining to arithmetic; according to the rules or method of arithmetic. [ 1913 Webster ]
Arithmetical complement of a logarithm.
Arithmetical mean.
Arithmetical progression.
Arithmetical proportion.
adv. Conformably to the principles or methods of arithmetic. [ 1913 Webster ]
n. [ Cf. F. arithméticien. ] One skilled in arithmetic. [ 1913 Webster ]