Algol

noun (1)
Al·​gol | \ ˈal-ˌgäl How to pronounce Algol (audio) , -ˌgȯl\

Definition of Algol

 (Entry 1 of 2)

: a binary star in the constellation Perseus whose larger member orbits and eclipses the smaller, brighter star causing periodic variation in brightness

ALGOL

noun (2)
AL·​GOL | \ ˈal-ˌgäl How to pronounce ALGOL (audio) , -ˌgȯl\
variants: or Algol

Definition of ALGOL (Entry 2 of 2)

: an algebraic computer programming language used especially in mathematical and scientific applications

First Known Use of Algol

Noun (1)

14th century, in the meaning defined above

Noun (2)

1959, in the meaning defined above

History and Etymology for Algol

Noun (1)

Arabic al-ghūl, literally, the ghoul

Noun (2)

algorithmic language

Keep scrolling for more

Learn More about Algol

Dictionary Entries near Algol

algodoncillo

algodonite

algoid

Algol

ALGOL

algolagnia

algology

Statistics for Algol

Look-up Popularity

Time Traveler for Algol

The first known use of Algol was in the 14th century

See more words from the same century

More from Merriam-Webster on Algol

Rhyming Dictionary: Words that rhyme with Algol

Comments on Algol

What made you want to look up Algol? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to take the place or position of

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!