Numbers
* 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * Second#Sexagesimal divisions of calendar time and day, 1⁄60 of a ''second'', or 1⁄3600 of a ''minute''Places
* 3rd Street (disambiguation) * Third Avenue (disambiguation) * Highway 3Music
Music theory
*Interval number of three in a musical interval **major third, a third spanning four semitones **minor third, a third encompassing three half steps, or semitones **neutral third, wider than a minor third but narrower than a major third **augmented third, an interval of five semitones **diminished third, produced by narrowing a minor third by a chromatic semitone *Third (chord), chord member a third above the root *Degree (music), three away from tonic **mediant, third degree of the diatonic scale **submediant, sixth degree of the diatonic scale – three steps below the tonic **chromatic mediant, chromatic relationship by thirds *Ladder of thirds, similar to the circle of fifthsAlbums
*''Third/Sister Lovers'', a 1974 album by Big Star first released in 1978 *Third (Soft Machine album), ''Third'' (Soft Machine album), 1970 *Third (Portishead album), ''Third'' (Portishead album), 2008 *Third (Cait Brennan album), ''Third'' (Cait Brennan album), a 2017 album by Cait Brennan *3rd (The Rasmus EP), ''3rd'' (The Rasmus EP), 1996 *3rd (The Baseball Project album), ''3rd'' (The Baseball Project album), released by The Baseball Project in 2014 *Thirds (album), ''Thirds'' (album), a 1971 album by the James GangOther uses
*Third (play), ''Third'' (play), a 2005 work by Wendy Wasserstein *Third (curling), a curling position *Thirds, third-born children in the 1985 novel ''Ender's Game'' *''Thirds'', a 2007 play by Jacob M. Appel *Third World, economically underdeveloped nations *Third-class degree, a type of British undergraduate degree classification *Third (angle), in astronomy and cartography, fraction of a degree *Richard Third (1927–2016), Anglican bishop in the Church of England *Third Beach, located at Ferguson Point in Stanley Park in Vancouver, British Columbia *Third Brook, flows into West Brook by Walton, New York *Odin, Third Name, Odin, All FatherSee also
*1/3 (disambiguation) *Salvador Rodil III *3 (disambiguation) *III (disambiguation) *Number Three (disambiguation) *The Third (disambiguation) *Third party (disambiguation) *Third person (disambiguation) *The Third Album (disambiguation) *Triad (disambiguation) *Third Fleet (disambiguation) * * {{disambiguation br:Trede es:Tercero ja:サード pl:Tercja