## arithmetic progression

a sequence of terms each of which, after the first, is derived by adding to the preceding one a common difference: 5, 9, 13, 17, etc. form an

*arithmetic progression*## arithmetic progression

noun

A sequence, such as the positive odd integers 1, 3, 5, 7, &ellipsis; , in which each term after the first is formed by adding a constant to the preceding term.