harmonic progression

English Thesaurus

1. (mathematics) a progression of terms whose reciprocals form an arithmetic progression (noun.group)

hypernym	:	patterned advance, progression,
definition	:	a series with a definite pattern of advance (noun.group)

domain category	:	math, mathematics, maths,
definition	:	a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement (noun.cognition)