Aristotelic
(Ar`is*to*tel"ic) a. Pertaining to Aristotle or to his philosophy. "Aristotelic usage." Sir W. Hamilton.
Aristotle's lantern
(Ar"is*to`tle's lan"tern) (Zoöl.) The five united jaws and accessory ossicles of certain
sea urchins.
Aristulate
(A*ris"tu*late) a. [Dim. fr. arista.] (Bot.) Having a short beard or awn. Gray.
Arithmancy
(Ar"ith*man`cy) n. [Gr. number + -mancy.] Divination by means of numbers.
Arithmetic
(A*rith"me*tic) n. [OE. arsmetike, OF. arismetique, L. arithmetica, fr. Gr. fr. arithmetical,
fr. to number, fr. 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.]
1. The science of numbers; the art of computation by figures.
2. A book containing the principles of this science.
Arithmetic of sines, trigonometry. Political arithmetic, the application of the science of numbers
to problems in civil government, political economy, and social science. Universal arithmetic, the
name given by Sir Isaac Newton to algebra.
Arithmetical
(Ar`ith*met"ic*al) a. 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.
Arithmetically
(Ar`ith*met"ic*al*ly), adv. Conformably to the principles or methods of arithmetic.
Arithmetician
(A*rith`me*ti"cian) n. [Cf. F. arithméticien.] One skilled in arithmetic.
Arithmomancy
(A*rith"mo*man"cy) n. Arithmancy.