Arithmetical progression Meaning, Definition & Usage

Definitions
  1. a progression in which the terms increase or decrease by equal differences, as the numbers {2, 4, 6, 8, 1010, 8, 6, 4, 2} by the difference 2.
Definitions
  1. . See Progression.
  2. a progression in which the terms increase or decrease by equal differences, as the numbers {2, 4, 6, 8, 1010, 8, 6, 4, 2} by the difference 2.

Webster 1913