Webster
✕

Webster’s Revised Unabridged Dictionary · 1913

Arithmetic

A·rith′me·tic (ȧ·rĭth′mē·tĭk), n. [OE. arsmetike, OF. arismetique, L. arithmetica, fr. Gr. ἀριθμητική (sc. τεχνή), fr. ἀριθμητικός arithmetical, fr. ἀριθμεῖν to number, fr. ἀριθμός 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.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.