From Longman Business Dictionarymachine languagemaˈchine ˌlanguage [countable, uncountable]COMPUTING a computer language used to write computer programs that uses instructions written in BINARY numbers (=combinations of the numbers 0 and 1) that can be understood directly by the computer. Machine language programs run very quickly, but are difficult to write because ordinary words and numbers are not usedAnything that is input into the computer will in the end be translated into machine language. → language
