quasar

Blend of quasi- +‎ stellar, from quasi-stellar radio source. Coined by American astrophysicist Hong-Yee Chiu in 1964 in an article in Physics Today. By surface analysis, quasi- +‎ -ar.

• (UK) IPA^(key): /ˈkweɪ.zɑː/
• (US) IPA^(key): /ˈkweɪ.zɑɹ/

• Audio (US):

  (file)

• Rhymes: -eɪzɑː(ɹ)

quasar (plural quasars)

1. (astronomy) An extragalactic object, starlike in appearance, that is among the most luminous and (putatively) the most distant objects in the universe.

• AGN, active galactic nucleus
• active galaxy
• pulsar
• RIQ, RLQ, RQQ

From English quasar.

• IPA^(key): /kwas̺ar/ [kwa.s̺ar]
• Rhymes: -as̺ar, -ar

quasar inan

1. quasar

• “quasar”, in Euskaltzaindiaren Hiztegia [Dictionary of the Basque Academy] (in Basque), Euskaltzaindia [Royal Academy of the Basque Language]

Borrowing from English quasar

• IPA^(key): /kwa.zaʁ/, /ka.zaʁ/

• Audio (France (Vosges)):

  (file)

• Audio (France (Vosges)):

  (file)

quasar m (plural quasars)

1. quasar

• “quasar”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012

Borrowed from English quasar, from quasi-stellar radio source.

quasar m (plural quasares)

1. (astronomy) quasar (an extragalactic object)

• “quasar”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “quasar”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Borrowed from English quasar.

quasar m (plural quasari)

1. quasar

Unadapted borrowing from English quasar.

• IPA^(key): /ˈkweisaɾ/ [ˈkwei̯.saɾ]
• Rhymes: -eisaɾ

quasar m (plural quasars)

1. alternative form of cuásar

• “quasar”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025