1. (mathematics) a progression in which a constant is added to each term in order to obtain the next term; - Example: "1-4-7-10-13- is the start of an arithmetic progression"
WordNet (r) 3.0 (2006):
arithmetic progression
n 1: (mathematics) a progression in which a constant is added to
each term in order to obtain the next term; "1-4-7-10-13-
is the start of an arithmetic progression"