Alpha Centauri

proper noun

The brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.

Similar
Rigil KentToliman
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper noun

alternative α-Centauri

  1. astronomyThe brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.

    Synonyms: Rigil Kent, Toliman

Synonyms & antonyms

proper nounThe brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.

Similar
Rigil KentToliman

Origin

From α (“brightest”) + Centauri (“of the constellation Centaurus”).

Full word history & related roots →

Translations

Afrikaans Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Arabic رِجْل قِنْطَوْر
  • رِجْل قِنْطَوْر (rijl qinṭawr)brightest star in the southern constellation of Centaurus
Bengali আলফা সেন্টরাই
  • আলফা সেন্টরাই (alpha śenṭorai)brightest star in the southern constellation of Centaurus
Chinese Cantonese 南門二 /南门二, 半人馬座阿爾法 /半人马座阿尔法
  • 南門二 /南门二 (naam⁴ mun⁴ ji⁶)brightest star in the southern constellation of Centaurus
  • 半人馬座阿爾法 /半人马座阿尔法 (bun³ jan⁴ maa⁵ zo⁶ aa³ ji⁵ faat³)brightest star in the southern constellation of Centaurus
Chinese Mandarin 南門二 /南门二, 半人馬座阿爾法 /半人马座阿尔法
  • 南門二 /南门二 (Nánmén'èr)brightest star in the southern constellation of Centaurus
  • 半人馬座阿爾法 /半人马座阿尔法 (Bànrénmǎ zuò ā'ěrfǎ)brightest star in the southern constellation of Centaurus
Czech Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Danish Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Dutch Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Estonian Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Finnish Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
French Alpha Centauri, Alpha du Centaure
  • Alpha Centauribrightest star in the southern constellation of Centaurus
  • Alpha du Centaurebrightest star in the southern constellation of Centaurus
German Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Greek Άλφα Κενταύρου
  • Άλφα Κενταύρου (Álfa Kentávrou)brightest star in the southern constellation of Centaurus
Hebrew אלפא קנטאורי
  • אלפא קנטאוריbrightest star in the southern constellation of Centaurus
Hindi मित्र तारा
  • मित्र तारा (mitra tārā)brightest star in the southern constellation of Centaurus
Icelandic Alfa í Mannfáki
  • Alfa í Mannfákibrightest star in the southern constellation of Centaurus
Indonesian Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Italian Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Japanese ケンタウルス座アルファ星, アルファケンタウリ
  • ケンタウルス座アルファ星 (Kentaurusu-za Arufa-boshi)brightest star in the southern constellation of Centaurus
  • アルファケンタウリ (Arufakentauri)brightest star in the southern constellation of Centaurus
Korean 센타우루스자리 알파
  • 센타우루스자리 알파 (sentauruseujari alpa)brightest star in the southern constellation of Centaurus
Latin Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Latvian Centaura Alfa
  • Centaura Alfabrightest star in the southern constellation of Centaurus
Lithuanian Kentauro Alfa
  • Kentauro Alfabrightest star in the southern constellation of Centaurus
Norwegian Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Persian آلفا قنطورس, ظلمان
  • آلفا قنطورس (âlfâ qentowres)brightest star in the southern constellation of Centaurus
  • ظلمان (zolmân)brightest star in the southern constellation of Centaurus
Polish Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Portuguese Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Romanian Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Russian А́льфа Цента́вра
  • А́льфа Цента́вра (Álʹfa Centávra)brightest star in the southern constellation of Centaurus
Spanish Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Swahili Alpha Centauri
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Swedish Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Thai อัลฟาคนครึ่งม้า
  • อัลฟาคนครึ่งม้าbrightest star in the southern constellation of Centaurus
Turkish Alfa Centauri
  • Alfa Centauribrightest star in the southern constellation of Centaurus
Vietnamese Nam Môn Nhị, Alpha Centauri
  • Nam Môn Nhịbrightest star in the southern constellation of Centaurus
  • Alpha Centauribrightest star in the southern constellation of Centaurus
Cite this entry
APA

Alpha Centauri. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Alpha%20Centauri

MLA

“Alpha Centauri.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Alpha%20Centauri. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Alpha Centauri,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Alpha%20Centauri.

Source: Alpha Centauri on Wiktionary, CC BY-SA 4.0.