Arithmetic meaning

ə-rĭth'mĭ-tĭk
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.

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Changing according to an arithmetic progression.

The increase in the food supply is arithmetic.

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The mathematics of integers, rational numbers, real numbers, or complex numbers under addition, subtraction, multiplication, and division.
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Of or relating to arithmetic.
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Knowledge of or skill in this science.

Her arithmetic is poor.

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(arithmetic) Of a progression, mean, etc, computed solely using addition.

Arithmetic progression.

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Of, based on, or using arithmetic.
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The mathematics of integers, rational numbers, real numbers, or complex numbers under the operations of addition, subtraction, multiplication, and division.
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The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.
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(mathematics) Of, relating to, or using arithmetic; arithmetical.

Arithmetic geometry.

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The science or art of computing by positive real numbers, specif. by adding, subtracting, multiplying, and dividing.
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Origin of arithmetic

  • 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 ar- in Indo-European roots
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Middle English arsmetike, from Old French arismetique, from Latin arithmetica, from Ancient Greek ἀριθμητική (arithmētikē, “counting”) (τέχνη (tekhnē, “art”)), from ἀριθμός (arithmos, “number”). Used in English since 13th Century.
    From Wiktionary