quasar

See also: Quasar and quásar

WOTD – 12 May 2009

English

Etymology

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

Pronunciation

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

• Audio (US):

  (file)

Noun

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.

Synonyms

• Q
• QSO, quasi-stellar object
• (dated) QSR, quasi-stellar radio-source
• (obsolete) QSS, quasi-stellar source
• (obsolete) BSO, blue stellar object

Derived terms

• microquasar

Translations

An extragalactic object

• Arabic: نَجْم زَائِف m (najm zāʔif), شَبِيه اَلنَّجْم m (šabīh an-najm)

  Egyptian Arabic: كوازار m (kwazār), شبيه نجم m (šēbh negm)

• Armenian: քվազար (kʻvazar)
• Basque: quasar (eu)
• Belarusian: кваза́р m (kvazár)
• Bulgarian: кваза́р m (kvazár)
• Catalan: quàsar m
• Chinese:

  Mandarin: 類星體／类星体 (zh) (lèixīngtǐ), 类星体 (zh) (lèixīngtǐ), 似星體／似星体, 似星体 (sìxīngtǐ)

• Czech: kvazar m, kvasar m
• Danish: kvasar c
• Esperanto: kvazaro
• Finnish: kvasaari (fi)
• French: quasar (fr) m
• German: Quasar (de) m
• Greek: κβάζαρ (el) n (kvázar)
• Hebrew: קוואזר
• Hindi: कैसर (hi) (kaisar)
• Ido: quazaro (io)
• (deprecated template usage) {{trans-mid}}
• Irish: cuasár m
• Italian: quasar (it) m or f
• Japanese: クエーサー (kuēsā), 準星 (じゅんせい, junsei)
• Korean: 퀘이사 (ko) (kweisa), 준성 (ko) (junseong)
• Malay: kuasar
• Norwegian: kvasar m
• Persian: اختروش (fa) (axtarvaš)
• Polish: kwazar (pl) m
• Portuguese: quasar m
• Russian: кваза́р (ru) m (kvazár)
• Scottish Gaelic: cuasar m
• Serbo-Croatian:

  Cyrillic: квазар m

  Roman: kvazar (sh) m

• Slovene: kvazar m
• Spanish: cuásar (es) m
• Swedish: kvasar (sv) c
• Tagalog: digtalain
• Ukrainian: кваза́р m (kvazár)
• Vietnamese: chuẩn tinh (vi)

See also

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

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French

Etymology

Borrowing from English quasar

Pronunciation

• IPA^(key): /kwa.zaʁ/, /ka.zaʁ/

Noun

quasar m (plural quasars)

1. quasar

References

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

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Portuguese

Noun

quasar m (plural quasares)

1. (astronomy) quasar (an extragalactic object)