Twelfth can mean:
*The
Twelfth Amendment to the United States Constitution
The Twelfth Amendment (Amendment XII) to the United States Constitution provides the procedure for electing the president and vice president. It replaced the procedure in Article II, Section 1, Clause 3, under which the Electoral College origi ...
*
The Twelfth
The Twelfth (also called Orangemens' Day) is a primarily Ulster Protestant celebration held on 12 July. It began in the late 18th century in Ulster. It celebrates the Glorious Revolution (1688) and victory of Protestant King William of Ora ...
, a Protestant celebration originating in Ireland
In mathematics:
* 12th, an
ordinal number
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 leas ...
; as in the item in an order twelve places from the beginning, following the eleventh and preceding the thirteenth
* 1/12, a
vulgar fraction
A fraction (from , "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-fifths, thre ...
, one part of a unit divided equally into twelve parts
Music
* The
note
Note, notes, or NOTE may refer to:
Music and entertainment
* Musical note, a pitched sound (or a symbol for a sound) in music
* ''Notes'' (album), a 1987 album by Paul Bley and Paul Motian
* ''Notes'', a common (yet unofficial) shortened versi ...
twelve
scale degree
In music theory, the scale degree is the position of a particular note on a scale relative to the tonic—the first and main note of the scale from which each octave is assumed to begin. Degrees are useful for indicating the size of intervals ...
s from the
root
In vascular plants, the roots are the plant organ, organs of a plant that are modified to provide anchorage for the plant and take in water and nutrients into the plant body, which allows plants to grow taller and faster. They are most often bel ...
(current note, in a chord)
** The
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 har ...
(that is, gap) between the root and the twelfth note: a compound
fifth
Currency
*
Uncia (coin)
The ''uncia'' (Latin; ) was a Roman currency worth one twelfth of an '' as''.
Republican coin
By derivation, it was also the name of a bronze coin valued at of an '' as'' made during the Roman Republic., ''A Manual of Roman Coins: from the ear ...
, a Roman coin worth 12th of an
As
See also
*
12 (number)
12 (twelve) is the natural number following 11 (number), 11 and preceding 13 (number), 13.
Twelve is the 3rd superior highly composite number, the 3rd colossally abundant number, the 5th highly composite number, and is divisible by the numbers fr ...
*
Eleventh
In music theory, an eleventh is a compound interval consisting of an octave plus a fourth.
A perfect eleventh spans 17 and the augmented eleventh 18 semitones, or 10 steps in a diatonic scale.
Since there are only seven degrees in a diaton ...
*
Thirteenth
In music or music theory, a thirteenth is the note thirteen scale degrees from the root of a chord and also the interval between the root and the thirteenth. The thirteenth is most commonly major or minor .
A thirteenth chord is th ...
{{disambiguation