Function: noun
Date: 1594
: a progression (as 3, 5, 7, 9) in which the difference between any term and its predecessor is constant
Function: noun
Date: 1594
: a progression (as 3, 5, 7, 9) in which the difference between any term and its predecessor is constant
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012