parallax second

noun

A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³ kilometers or 3.2616 light years.

Meanings

nounparallax second (plural parallax seconds)

plural parallax seconds

  1. A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³ kilometers or 3.2616 light years.

    Synonyms: parsec, psc, pc

Synonyms & antonyms

nounA unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³ kilometers or 3.2616 light years.

Translations

German Parallaxensekunde
  • Parallaxensekundeunit of length
Hungarian parallaxisszekundum
  • parallaxisszekundumunit of length
Polish parsek
  • parsekunit of length
Russian паралла́кс углово́й секу́нды
  • паралла́кс углово́й секу́нды (paralláks uglovój sekúndy)unit of length
Cite this entry
APA

parallax second. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/parallax%20second

MLA

“parallax second.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/parallax%20second. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “parallax second,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/parallax%20second.

Source: parallax second on Wiktionary, CC BY-SA 4.0.