Fifth is the ordinal form of the number

five 5 is a number, numeral, and glyph. 5, five or number 5 may also refer to: * AD 5, the fifth year of the AD era * 5 BC, the fifth year before the AD era Literature * ''5'' (visual novel), a 2008 visual novel by Ram * ''5'' (comics), an awa ...

. Fifth or The Fifth may refer to: *

Fifth Amendment to the United States Constitution The Fifth Amendment (Amendment V) to the United States Constitution addresses criminal procedure and other aspects of the Constitution. It was ratified, along with nine other articles, in 1791 as part of the Bill of Rights. The Fifth Amen ...

, as in the expression "pleading the Fifth" *

Fifth column A fifth column is any group of people who undermine a larger group or nation from within, usually in favor of an enemy group or another nation. According to Harris Mylonas and Scott Radnitz, "fifth columns" are “domestic actors who work to un ...

, a political term *

Fifth disease Erythema infectiosum, fifth disease, or slapped cheek syndrome is one of several possible manifestations of infection by parvovirus B19. Fifth disease typically presents as a rash and is more common in children. While parvovirus B19 can affect hu ...

, a contagious rash that spreads in school-aged children *

Fifth force In physics, there are four observed fundamental interactions (also known as fundamental forces) that form the basis of all known interactions in nature: gravitational, electromagnetic, strong nuclear, and weak nuclear forces. Some speculative ...

, 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 fifth is a unit of volume formerly used for wine and distilled beverages in the United States, equal to one fifth of a US liquid gallon, or ; it has been superseded by the metric bottle size of 750 ml, sometimes called a metric fifth, whi ...

, a unit of volume used for distilled beverages in the U.S. *

Fifth-generation programming language A fifth-generation programming language (5GL) is any programming language based on problem-solving using constraints given to the program, rather than using an algorithm written by a programmer. Most constraint-based and logic programming langua ...

* The fifth in a series, or four after the first: see

ordinal numbers In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets. A finite set can be enumerated by successively labeling each element with the least ...

1st Battalion, 5th Marines 1st Battalion, 5th Marines (1/5) is an infantry battalion in the United States Marine Corps based out of Marine Corps Base Camp Pendleton, California consisting of approximately 800 Marines and sailors. Nicknamed ''Geronimo'', it falls under ...

* The

Fraction A fraction (from la, fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight ...

1/5 * The

royal fifth The royal fifth ( Spanish and pt, quinto real / quinto del rey) is an old royal tax that reserves to the monarch 20% of all precious metals and other commodities (including slaves) acquired by his subjects as war loot, found as treasure or extr ...

(Spanish and Portuguese), an old royal tax of 20%

Music

* A musical

interval (music) In music theory, an interval is a difference in pitch between two sounds. An interval may be described as horizontal, linear, or melodic if it refers to successively sounding tones, such as two adjacent pitches in a melody, and vertical or ha ...

; specifically, a **

perfect fifth In music theory, a perfect fifth is the musical interval corresponding to a pair of pitches with a frequency ratio of 3:2, or very nearly so. In classical music from Western culture, a fifth is the interval from the first to the last of five ...

diminished fifth Diminished may refer to: *Diminution In Western music and music theory, diminution (from Medieval Latin ''diminutio'', alteration of Latin ''deminutio'', decrease) has four distinct meanings. Diminution may be a form of embellishment in whic ...

augmented fifth In classical music from Western culture, an augmented fifth () is an interval produced by widening a perfect fifth by a chromatic semitone.Benward & Saker (2003). ''Music: In Theory and Practice, Vol. I'', p.54. . For instance, the interval f ...

Quintal harmony In music, quartal harmony is the building of Harmony, harmonic structures built from the Interval (music), intervals of the perfect fourth, the tritone, augmented fourth and the diminished fourth. For instance, a three-note quartal chord on C can ...

, in which chords concatenate fifth intervals (rather than the third intervals of tertian harmony) *

Fifth (chord) In music, the fifth factor of a chord is the note or pitch that is the fifth scale degree, counting the root or tonal center. When the fifth is the bass note, or lowest note, of the expressed chord, the chord is in second inversion . Conv ...

** A

chord (music) A chord, in music, is any harmonic set of pitches/frequencies consisting of multiple notes (also called "pitches") that are heard as if sounding simultaneously. For many practical and theoretical purposes, arpeggios and broken chords (in whi ...

, member separated from the chord's root by one of the above fifth-intervals ** The

dominant (music) In music, the dominant is the fifth scale degree () of the diatonic scale. It is called the ''dominant'' because it is second in importance to the first scale degree, the tonic. In the movable do solfège system, the dominant note is sung as " ...

or fifth diatonic scale degree, and the chord built on it *Musical compositions ** Symphony No. 5 (Beethoven), commonly referred to as Beethoven's Fifth ** ''Fifth'' (Soft Machine album), 1972 ** ''The Fifth'' (Bad Boys Blue album), 1989 ** ''The Fifth'' (Dizzee Rascal album), 2013 ** ''The Fifth'' (Obie Trice album), 2019 ** ''5th'' (Lee Michaels album), 1971 ** ''Fifth'' (The Autumn Defense album), 2014 ** "Fifths" (song), a song by deadmau5 *

The Fifth (band) The Fifth is an American hard rock band from Fayetteville, North Carolina, United States. Formed by original members vocalist Roy Cathey, guitarist Dave ”DC” Garcia, bassist Bernie “b-man” Mangiboyat, and drummer Rob Lee. The current mem ...

, a hard rock band from Fayetteville, North Carolina {{disambiguation