perfect fifth

perfect fifth
an interval equal to that of between the second and third harmonics of the harmonic series; in equal temperament, an interval of seven semitones spanning five degrees of the diatonic scale. It is enharmonically equivalent to a diminished sixth.

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  • Perfect (disambiguation) — Perfect may refer to: * Perfection, a philosophical concept * Perfection (law), a legal concept * Perfect aspect, a grammatical concept * Perfect, a Cathar priestIn mathematics: * Perfect number * Perfect group * Perfect set * Perfect graphIn… …   Wikipedia

  • Fifth — may refer to: * One fifth, a quintile, or 20% of a certain amount * The fifth in a series, or four after the first * 1st Battalion 5th Marines * In the United States, the Fifth Amendment to the United States Constitution especially as in the… …   Wikipedia

  • fifth — ► ORDINAL NUMBER 1) constituting number five in a sequence; 5th. 2) (a fifth/one fifth) each of five equal parts into which something is or may be divided. 3) Music an interval spanning five consecutive notes in a diatonic scale, in particular… …   English terms dictionary

  • fifth — ordinal number 1》 constituting number five in a sequence; 5th. 2》 (a fifth/one fifth) each of five equal parts into which something is or may be divided. 3》 Music an interval spanning five consecutive notes in a diatonic scale, in particular… …   English new terms dictionary

  • fifth —    1. a traditional U.S. unit of liquid volume equal to 4/5 quart, which is the same as 1/5 gallon. The fifth contains exactly 46.2 cubic inches, or about 757.084 milliliters. This unit is an American version of the traditional bottle.    2. a… …   Dictionary of units of measurement

  • Perfect — Per fect, a. [OE. parfit, OF. parfit, parfet, parfait, F. parfait, L. perfectus, p. p. of perficere to carry to the end, to perform, finish, perfect; per (see {Per }) + facere to make, do. See {Fact}.] 1. Brought to consummation or completeness;… …   The Collaborative International Dictionary of English

  • Perfect cadence — Perfect Per fect, a. [OE. parfit, OF. parfit, parfet, parfait, F. parfait, L. perfectus, p. p. of perficere to carry to the end, to perform, finish, perfect; per (see {Per }) + facere to make, do. See {Fact}.] 1. Brought to consummation or… …   The Collaborative International Dictionary of English

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