Third or 3rd may refer to:

Numbers

* 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * ¹⁄₆₀ of a ''second'', or ¹⁄₃₆₀₀ of a ''minute''

Places

3rd Street (disambiguation) 3rd Street or Third Street may refer to: *3rd Street, Los Angeles *3rd Street (Manhattan) *Third Street (Hong Kong) *Third Street (San Francisco) **T Third Street, Muni Metro line in San Francisco *N3RD Street (Philadelphia) * Third Street, Singap ...

Third Avenue (disambiguation) Third Avenue is a thoroughfare in Manhattan and the Bronx, in New York City. Third Avenue or 3rd Avenue may also refer to: *Third Avenue (Brooklyn), a thoroughfare in Brooklyn, New York City *3rd Avenue (band), a Filipino band * ''Third Avenue'' ( ...

Highway 3 The following highways are numbered 3, H-3, PRI-3, AH3, E03 and R3. For roads numbered A3, see A3 roads. For roads numbered M3, see M3. For roads numbered N3, see N3. For roads numbered 3A, see 3A. International * Asian Highway 3 * Europea ...

Music

Music theory

Interval number 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 h ...

of three in a musical interval **

major third In classical music, a third is a Interval (music), musical interval encompassing three staff positions (see Interval (music)#Number, Interval number for more details), and the major third () is a third spanning four semitones.Allen Forte, ...

, a third spanning four semitones **

minor third In music theory, a minor third is a musical interval that encompasses three half steps, or semitones. Staff notation represents the minor third as encompassing three staff positions (see: interval number). The minor third is one of two com ...

, a third encompassing three half steps, or semitones **

neutral third A neutral third is a musical interval wider than a minor third but narrower than a major third , named by Jan Pieter Land in 1880. Land makes reference to the neutral third attributed to Zalzal (8th c.), described by Al-Farabi (10th c.) as ...

, wider than a minor third but narrower than a major third ** augmented third, an interval of five semitones **

diminished third In classical music from Western culture, a diminished third () is the musical interval produced by narrowing a minor third by a chromatic semitone.Benward & Saker (2003). ''Music: In Theory and Practice, Vol. I'', p.54. . For instance, the inte ...

, produced by narrowing a minor third by a chromatic semitone *

Third (chord) In music, the third factor of a chord is the note or pitch two scale degrees above the root or tonal center. When the third is the bass note, or lowest note, of the expressed triad, the chord is in first inversion. Use Conventionally, the ...

, chord member a third above the root *

Degree (music) 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 a ...

, three away from tonic ** mediant, third degree of the diatonic scale **

submediant In music, the submediant is the sixth degree () of a diatonic scale. The submediant ("lower mediant") is named thus because it is halfway between tonic and subdominant ("lower dominant") or because its position below the tonic is symmetrical to ...

, sixth degree of the diatonic scale – three steps below the tonic **

chromatic mediant In music, chromatic mediants are "altered mediant and submediant chords." A chromatic mediant relationship defined conservatively is a relationship between two sections and/or chords whose roots are related by a major third or minor third, and ...

, chromatic relationship by thirds * Ladder of thirds, similar to the circle of fifths

Albums

*''

Third/Sister Lovers ''Third'' (reissued in 1985 as ''Third/Sister Lovers'') is the third album by American rock band Big Star. Sessions started at Ardent Studios in September 1974. Though Ardent created promotional, white-label test pressings for the record in 197 ...

'', a 1974 album by Big Star first released in 1978 * ''Third'' (Soft Machine album), 1970 * ''Third'' (Portishead album), 2008 * ''Third'' (Cait Brennan album), a 2017 album by Cait Brennan * ''3rd'' (The Rasmus EP), 1996 * ''3rd'' (The Baseball Project album), released by The Baseball Project in 2014 * ''Thirds'' (album), a 1971 album by the James Gang

Other uses

* ''Third'' (play), a 2005 work by Wendy Wasserstein *

Third (curling) In curling, a third (alternatively, vice, vice-skip or mate) is the team member who delivers the second-to-last pair of a team's stones in an end. The third is in charge of calling, strategy and directing the sweepers when the skip is delivering ...

, a curling position *Thirds, third-born children in the 1985 novel '' Ender's Game'' *''Thirds'', a 2007 play by Jacob M. Appel *

Third World The term "Third World" arose during the Cold War to define countries that remained non-aligned with either NATO or the Warsaw Pact. The United States, Canada, Japan, South Korea, Western European nations and their allies represented the " First ...

, economically underdeveloped nations *

Third-class degree The British undergraduate degree classification system is a grading structure for undergraduate degrees or bachelor's degrees and integrated master's degrees in the United Kingdom. The system has been applied (sometimes with significant variat ...

, a type of British undergraduate degree classification *

Third (angle) A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. It is not an SI unit—the SI unit of angular measure is t ...

, in astronomy and cartography, fraction of a degree *

Richard Third Richard Henry McPhail Third (29 September 19275 May 2016) was an Anglican bishop in the Church of England. Education Third was educated at Reigate Grammar School, and then Emmanuel College, Cambridge, where he gained a Master of Arts degree, b ...

(1927–2016), Anglican bishop in the Church of England * Third Beach, located at Ferguson Point in Stanley Park in Vancouver, British Columbia *

Third Brook Third Brook flows into West Brook by Walton, New York Walton is a town in Delaware County, New York, United States. The population was 5,576 at the 2010 census. The town is in the west-central part of the county and contains the village of W ...