blazar

B3L1A1Z10A1R1
US/ˈbleɪ.zɑɹ/

noun

A very compact quasar, associated with a supermassive black hole at the center of an active galaxy.

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Meanings

nounblazar (plural blazars)

plural blazars

  1. astronomyA very compact quasar, associated with a supermassive black hole at the center of an active galaxy.
  2. astronomyAn object which is either an optically violent variable quasar (OVV quasar) or a BL Lac object or which has properties of both.

Synonyms & antonyms

Broader
active galaxyAGNquasar
Also see
lacertid

Origin

Blend of B + L + Lac + quasar. Coined by astronomer Edward Spiegel in 1978 from BL Lac object and quasar, punning blazing from its optical presentation compared to usual quasars. By surface analysis, blaze + -ar.

Full word history & related roots →

Translations

Finnish blasaari
  • blasaariastronomy: a very compact quasar, associated with a supermassive black hole
Polish blazar, blazar
  • blazarastronomy: a very compact quasar, associated with a supermassive black hole
  • blazaran optically violent variable quasar or BL Lac object
Russian блаза́р
  • блаза́р (blazár)astronomy: a very compact quasar, associated with a supermassive black hole
Spanish blazar
  • blazarastronomy: a very compact quasar, associated with a supermassive black hole
Swedish blazar, blasar
  • blazarastronomy: a very compact quasar, associated with a supermassive black hole
  • blasarastronomy: a very compact quasar, associated with a supermassive black hole

Rhymes & wordplay

Rhymes with blazar

quasar
All rhymes →
Cite this entry
APA

blazar. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/blazar

MLA

“blazar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/blazar. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “blazar,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/blazar.

Source: blazar on Wiktionary, CC BY-SA 4.0.