Term: harmonic progression: (mathematics) a progression of terms whose reciprocals form an arithmetic progression
Candidate hypernym: progression: a series with a definite pattern of advance → 1
Candidate hypernym: genus coelogyne: large diverse genus of tropical Asiatic epiphytic orchids → 0
Candidate hypernym: echium: a genus of bristly herbs and shrubs of the family Boraginaceae → 0
Candidate hypernym: quaternary ammonium compound: a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs → 0
Candidate hypernym: weapon: any instrument or instrumentality used in fighting or hunting → 0
Candidate hypernym: hatchback: a sloping rear car door that is lifted to open → 0
Candidate hypernym: night lizard: small secretive nocturnal lizard of southwestern North America and Cuba; bear live young → 0
Candidate hypernym: mode: any of various fixed orders of the various diatonic notes within an octave → 0
Candidate hypernym: aortic orifice: the orifice from the lower left chamber of the heart to the aorta → 0
Candidate hypernym: scammony: resin from the root of Convolvulus scammonia → 0
Candidate hypernym: stringer: brace consisting of a longitudinal member to strengthen a fuselage or hull → 0