Definition of arithmetic in English:
arithmetic
Line breaks: arithmet¦icnoun
Pronunciation: /əˈrɪθmətɪk
/
 1The branch of mathematics dealing with the properties and manipulation of numbers: the laws of arithmeticMore example sentences
 In principle this included the four mathematical sciences: arithmetic, geometry, astronomy and music.
 Cardinal Algebras presents a study of algebras satisfying certain properties which capture the arithmetic of cardinal numbers.
 The mathematical part of the Aryabhatiya covers arithmetic, algebra, plane trigonometry and spherical trigonometry.
 1.1The use of numbers in counting and calculation: arithmetic had never been her strong pointMore example sentences
 If U is a positive integer, we can calculate the function's value by simple arithmetic: Just multiply e by itself U times.
 No matter how poor my calculating skills are however, I do know some simple arithmetic.
 The Stand and Deliver message, that the touch of a master could bring unmotivated students from arithmetic to calculus in a single year, was preached in schools throughout the nation.
adjective
Pronunciation: /ˌarɪθˈmɛtɪk
/
 Relating to arithmetic: arithmetic calculationsMore example sentences
 Thus, this conjecture of Artin was the origin of a wide range of activities in what is now called arithmetic geometry.
 Among the series alUmawi considers are arithmetic and geometric series.
 We do not get to geometrical or arithmetic objects via any process.
Derivatives

arithmetical
adjective
 More example sentences
 In this Thabit deals with arithmetical operations applied to ratios of geometrical quantities.
 The necessary background mathematical tools are then introduced such as the arithmetical operations on sexagesimal fractions and the trigonometric functions.
 Babylonian mathematics went far beyond arithmetical calculations.

arithmetically
adverb
 More example sentences
 A hound whose speed increases arithmetically chases a hare whose speed also increases arithmetically, how far do they travel before the hound catches the hare?
 The problem comes when you try to think algebraically, or arithmetically, about the Gauss problem.
 But the resources necessary to sustain that increase could be multiplied only arithmetically, adding only a fixed amount every year.

arithmetician
 More example sentences
 … it is a small treatise of seventeen folios in which we find nothing on mensuration that the arithmeticians of the East did not know.
 Perhaps it is best described by alSamawal, who described it as: … operating on unknowns using all the arithmetical tools, in the same way as the arithmetician operates on the known.
 The arithmeticians among you will have worked out that this was as the Depression hit.
Pronunciation: /ərɪθməˈtɪʃ(ə)n/
noun
Origin
Middle English: from Old French arismetique, based on Latin arithmetica, from Greek arithmētikē (tekhnē) '(art) of counting', from arithmos 'number'.