plural of harmonic progression

(mathematics) A sequence of numbers whose reciprocals form an arithmetic progression.

Synonym of geometric progression

plural of geometrical progression

(music) A chord progression, l–vi–IV–V, used in Western popular music, particularly common in the 1950s and early 1960s.

A chord progression, I–V–vi–IV, used in Western popular music, common since the 1970s.

(LGBT) A variant of the rainbow flag consisting of the original six horizontal bars with the addition of a large chevron to the hoist featuring three stripes of white, pink, and blue on the inside (the colors of the transgender pride flag) and two stripes of brown and black on the outside (representing POC members of the LGBT community.)

plural of Progress Pride flag