arithmetics

/EH0 R IH0 TH M EH1 T IH0 K S/
noun
  1. 1

    The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division.

  2. 2

    (dated) Number theory

adjective
  1. 1

    (mathematics) Of, relating to, or using arithmetic; arithmetical.

  2. 2

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

  3. 3

    Increasing or decreasing by an arithmetic progression.

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