Al·gol

(ăl′gŏl′, -gôl′)

A binary, eclipsing variable star in the constellation Perseus, almost as bright as Polaris.

[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); see ġwl in Semitic roots.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Algol

(ˈælɡɒl)

(Astronomy) the second brightest star in Perseus, the first known eclipsing binary. Visual magnitude: 2.2–3.5; period: 68.8 hours; spectral type (brighter component): B8V

[C14: from Arabic al ghūl the ghoul]

Algol

(ˈælɡɒl)

(Computer Science) a computer programming language designed for mathematical and scientific purposes; a high-level language

[C20 alg(orithmic) o(riented) l(anguage)]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Al•gol

(ˈæl gɒl, -gɔl)

n.

a second-magnitude star in the constellation Perseus: the first known and most famous eclipsing binary star.

[1350–1400; Middle English < Arabic, =al the + ghūl ghoul]

ALGOL

(ˈæl gɒl, -gɔl)

n.

a computer language in which information is expressed in algebraic notation and according to the rules of Boolean algebra.

[1955–60; algo(rithmic)l(anguage)]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	Algol - the second brightest star in Perseus; the first known eclipsing binary Perseus - a conspicuous constellation in the northern hemisphere; between Auriga and Cassiopeia and crossed by the Milky Way
	2.	ALGOL - (from a combination of ALGOrithmic and Language); a programming language used to express computer programs as algorithms algebraic language - an algorithmic language having statements that resemble algebraic expressions

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References in periodicals archive

The contracts were received by Algol Oy, Bayer Oy, Becton Dickinson Oy, Biohit Oyj, Biomerieux Suomi Oy, HemoCue Oy, ILS Laboratorio Scandinavia Oy, Konstrumed Oy, Labnet Oy, Mekalasi Oy, Merck Eurolab Oy, Oriola Oy Prolab, Oriola Oy Sairaalavaline, Orion-yhtyma Oyj Orion Diagnostica, Pedihealth Oy, Sarstedt Oy, Tampereen Penli Oy, Tamro MedLab Oy and Triolab Oy.

CONTRACTS: Finland

these have captured our imaginations much as Algol did 25 years ago.

Alan J. Perlis 1922-1990: a founding father of computer science as a separate discipline

The contracts were received by Algol Oy, Astra Tech Oy, Bard Medical Systems Norden Ab, B.

CONTRACTS: Finland

Until now I've been using Algol (Stop 6) simply as a pointer, but it's time to give the Demon Star its due.

Open Clusters Galore: Point your binoculars toward Perseus and Auriga, and prepare to be dazzled by a myriad of clusters

The three variable stars are, west to east: Delta ([delta]) Cephei, the prototype of the Cepheid variable class; Omicron (o) Ceti (Mira), the prototype of long-period or Mira variables; and Beta ([beta]) Persei (Algol), the prototype of eclipsing binaries.

A thrilling trio: these three variable stars will hold your attention for nights on end

[2] EVENING: Algol shines at minimum brightness for roughly two hours centered at 9:53 p.m.

OBSERVING: December 2018

It's even more amazing that the ancients never noticed the variability of Algol. This is by far the easiest variable star to observe, for several reasons.

The many kinds of stars

Algol and Omya have agreed to establish a joint venture in Russia to strengthen their activities in the Calcium Carbonate and Specialty Chemicals distribution.

Algol and Omya form JV to distribute calcium carbonate and specialty chemicals in Russia

The principal objective of the campaign is the detection of pulsations in selected antipodean Algol stars.

Preliminary results from the observations of DT Lupus, a newly discovered oscillating Algol binary

Finally, whenever observing in Perseus, take a few minutes to look at Algol, Beta Persei, the winking demon.

Sky notes: 2011 October & November

Celanese has appointed Algol Chemicals as its distributor in Russia and the Ukraine for all its water-based binders into all end use applications.

Celanese appoints distributor for Russia and Ukraine