ALGOL Syllabification: (AL·GOL)Pronunciation: /ˈalˌgôl, -ˌgäl/Definition of ALGOL noun one of the early high-level computer programming languages that was devised to carry out scientific calculations. Origin: 1950s: from algo(rithmic) + the initial letter of languageALGOL in other Oxford dictionaries Definition of ALGOL in the British & World English dictionary