Meanings
plural Algol variables
- 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
Algol variable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Algol%20variable
“Algol variable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Algol%20variable. Accessed November 2, 2026.
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.