α-Centauri

proper noun

The brightest star system in the southern constellation of Centaurus.

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Meanings

proper noun

alternative Alpha Centauri

  1. astronomyThe brightest star system in the southern constellation of Centaurus.

Origin

From Translingual α (“brightest”) + Centauri (“a star in that constellation”).

Full word history & related roots →
Cite this entry
APA

α-Centauri. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/%CE%B1-Centauri

MLA

“α-Centauri.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/%CE%B1-Centauri. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “α-Centauri,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/%CE%B1-Centauri.

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