geometric progressiongeometric progression
a sequence of terms in which the ratio of each term to the preceding one is the same throughout the sequence (Ex.: 1, 2, 4, 8, 16, 32)
A sequence, such as the numbers 1, 3, 9, 27, 81, in which each term is multiplied by the same factor in order to obtain the following term. Also called geometric sequence .
(plural geometric progressions)