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arithmetic

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The definition of arithmetic refers to working with numbers by doing addition, subtraction, multiplication, and division.

(noun)

An example of arithmetic is adding two and two together to make four.

See arithmetic in Webster's New World College Dictionary

noun

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: ME arsmetrike < OFr arismetrique (infl. in form by L ars metrica, the art of measurement) < L arithmetica < Gr (hē) arithmētikē (technē), (the) counting (art) < arithmētikos, arithmetical < arithmein, to count < arithmos, number

adjective

of, based on, or using arithmetic

also arithmetical

Related Forms:

arithmetically adverb

See arithmetic in American Heritage Dictionary 4

noun

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.

adjective ar·ith·met·ic (ărˌĭth-mĕtˈĭk) also arˌith·metˈi·cal (ărˌĭth-mĕtˈĭ-kəl)