Algol Definition
ălgŏl, -gôl
noun
A double, eclipsing variable star in the constellation Perseus, almost as bright as Polaris.
American Heritage
A computer language employing algebraic symbols, used internationally for scientific computations.
Webster's New World
A binary, variable star in the constellation Perseus: magnitude 2.09: the fainter star regularly eclipses its brighter companion.
Webster's New World
Origin of Algol
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Arabic (ra’s) al-ġūl (head) of the ghoul al- the ġūl ghoul (so called because the star was considered to represent the head of Medusa held by Perseus) ġwl in Semitic roots
From American Heritage Dictionary of the English Language, 5th Edition
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