Fifth

Fifth is the ordinal form of the number five.

Fifth or The Fifth may refer to:

• Fifth Amendment to the United States Constitution, as in the expression "pleading the Fifth"
• Fifth column, a political term
• Fifth disease, a contagious rash that spreads in school-aged children
• Fifth force, a proposed force of nature in addition to the four known fundamental forces
• Fifth (Stargate), a robotic character in the television series Stargate SG-1
• Fifth (unit), a unit of volume used for distilled beverages in the U.S.
• Fifth-generation programming language
• The fifth in a series, or four after the first: see ordinal numbers (linguistics)
• 1st Battalion 5th Marines
• A quintile, or 20%
• A fraction, such as 1/5
• The royal fifth, (Spanish and Portuguese) an old royal tax of 20%

Music

• A musical interval; specifically, a
  • perfect fifth,
  • diminished fifth, or
  • augmented fifth
• Quintal harmony, in which chords concatenate fifth intervals (rather than the third intervals of tertian harmony).
• Fifth (chord)
  • A chord member separated from the chord's root by one of the above fifth-intervals
  • The dominant or fifth diatonic scale degree, and the chord built on it
• Musical compositions
  • Symphony No. 5 (Beethoven) is commonly referred to as Beethoven's Fifth
  • Fifth (album), an album by Soft Machine
  • The Fifth (Bad Boys Blue album)
  • The Fifth (Dizzee Rascal album)