A second is the base unit of time in the International System of Units (SI).

Second, Seconds, The Second, or (The) 2nd may also refer to:

Mathematics

  • 2 (number), as an ordinal (also written as 2nd or 2d)
  • Second of arc, an angular measurement unit, of a degree

Music

Notes and intervals

  • Augmented second, an interval in classical music
  • Diminished second, unison
  • Major second, a whole tone
  • Minor second, semitone
  • Neutral second one-and-a-half semitones

Albums

  • The Second, second studio album by rock band Steppenwolf
  • The 2nd (album), a 2006 album by Hater
  • Seconds (The Dogs D'Amour album), released in 2000
  • Seconds (Kate Rogers album), released in 2005
  • Seconds (Tim Berne album), released in 2007

EPs

  • 2nd (The Rasmus EP), 1996
  • Second (Baroness EP), 2005
  • Second (Raye EP), 2014

Songs

<!---alpha, then chronological order here--->

  • "Second", a 2019 song by Erika Costell
  • "Second", a 2020 song by Hope D
  • "Second", a song from Sleaford Mods' 2020 compilation album All That Glue
  • "Second" (song), a 2021 song by Hyoyeon
  • "Seconds", from The Human League's 1981 album Dare
  • "Seconds" (song), from U2's 1983 album War
  • "Seconds", from Le Tigre's 2004 album This Island

Film and television

  • The 2nd (film), an American 2020 film starring Ryan Phillippe
  • The Second (film), a 2018 Australian film directed by Mairi Cameron, winner of the 2018 AACTA Award for Best Indie Film
  • Seconds (1966 film), a US thriller directed by John Frankenheimer
  • Seconds (2014 film), an Indian Malayalam-language thriller film by Aneesh Upasana
  • "Seconds" (The Batman), an episode in the American animated TV series
  • "Seconds", an episode of the American TV series Lois & Clark: The New Adventures of Superman

Places

  • 2nd meridian east, a line of longitude extending through Europe and Africa
  • 2nd meridian west, a line of longitude extending through Europe and Africa
  • 2nd parallel north, a circle of latitude above the Equator
  • 2nd parallel south, a circle of latitude below the Equator
  • 2nd Street (disambiguation)
  • Second Avenue (disambiguation)

Publications

  • Seconds, an interview magazine published from 1987–2000.
  • Seconds (comics), a 2014 graphic novel by Bryan Lee O'Malley

Science

  • Second of right ascension, in astronomy
  • Specific Impulse (rocket engine)

Dates

  • Second of the month, a recurring calendar date
  • Second of January
  • Second of February
  • Second of March
  • Second of April
  • Second of May
  • Second of June
  • Second of July
  • Second of August
  • Second of September
  • Second of October
  • Second of November
  • Second of December

Sports, games, and dueling

  • Second in a duel, the agent of the participant
  • Second, the cornerman in combative sports such as boxing
  • Second (chess), assistant to a chess player
  • Second (climbing), the climber who belays the lead climber in lead climbing
  • Second (curling), delivers the second set of stones in curling
  • Second dealing, a way of cheating in card games

Other uses

  • Albéric Second, a French journalist and writer
  • Factory second, a new product sold for a discount because of minor imperfections
  • Second (parliamentary procedure), to formally support a motion or resolution
  • Second hand or used goods, items that have been used before being resold
  • Second-class degree, a class of academic degree in countries based on the British system of education
  • Second-in-command, a deputy commander in British and Commonwealth armies

See also

  • Secondment, a transfer of an employee, usually within an organization
  • Segundo (disambiguation)
  • SND (disambiguation)
  • Second grade
  • Secondary (disambiguation)