Fifth

Fifth is the ordinal form of the number five.

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
• 1st Battalion 5th Marines
• Fifth (Stargate), a robotic character in the television series Stargate SG-1
• Fifth-generation programming language
• The fifth in a series, or four after the first: see ordinal numbers (linguistics)
• Fifth (unit), a unit of volume used for distilled beverages in the U.S.
• A quintile, or 20%
• A fraction, such as 1/5

Music

• A musical interval; specifically, a perfect fifth, diminished fifth or augmented fifth
• A chord (music) member separated from the chord's root by one of the above intervals
• The dominant or fifth diatonic scale degree, and the chord built on it
• Symphony No. 5 (Beethoven) is commonly referred to as Beethoven's Fifth
• Fifth (album), an album by Soft Machine
• perfect fifth
• tritone: diminished fifth/augmented fourth
• augmented fifth
• fifth (chord)
• Dominant (music), fifth degree of the diatonic scale
• Quintal harmony