- The definition of arithmetic refers to working with numbers by doing addition, subtraction, multiplication, and division.
An example of arithmetic is adding two and two together to make four.
arithmetic definition by Webster's New World
- the science or art of computing by positive real numbers, specif. by adding, subtracting, multiplying, and dividing
- knowledge of or skill in this science: her arithmetic is poor
Origin: Middle English arsmetrike ; from Old French arismetrique (infl. in form by Classical Latin ars metrica, the art of measurement) ; from Classical Latin arithmetica ; from Classical Greek (hē) arithmētikē (technē), (the) counting (art) ; from arithmētikos, arithmetical ; from arithmein, to count ; from arithmos, number
- arithmetically adverb
arithmetic definition by American Heritage Dictionary
- The mathematics of integers, rational numbers, real numbers, or complex numbers under addition, subtraction, multiplication, and division.
- Archaic A book on this kind of mathematics.
- Of or relating to arithmetic.
- Changing according to an arithmetic progression: The increase in the food supply is arithmetic.
Origin: Middle English arsmetike, from Old French arismetique, from Medieval Latin arismetica, alteration of Latin arithmētica, from Greek arithmētikē (tekhnē), (art) of counting, feminine of arithmētikos, from arithmein, to count, from arithmos, number; see ar- in Indo-European roots.
- arˌith·metˈi·cal·ly adverb
- a·rithˌme·tiˈcian noun
arithmetic - Science Definition