Algol variable

noun

A kind of eclipsing binary star where both stars are near-spherical, such that the timing of the start and end of the eclipses is well-defined.

Meanings

nounAlgol variable (plural Algol variables)

plural Algol variables

  1. astronomyA kind of eclipsing binary star where both stars are near-spherical, such that the timing of the start and end of the eclipses is well-defined.

Origin

The star Algol (β Persei) is the prototypical member of this class.

Full word history & related roots →
Cite this entry
APA

Algol variable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Algol%20variable

MLA

“Algol variable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Algol%20variable. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Algol variable,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Algol%20variable.

Source: Algol variable on Wiktionary, CC BY-SA 4.0.