Oxford Dictionary English machine code nounnoun BrE BrE//məˈʃiːn kəʊd// ; NAmE NAmE//məˈʃiːn koʊd// (also machine language) [countable, uncountable] (computing) Computer programming Add to my wordlistjump to other results a code in which instructions are written in the form of numbers so that a computer can understand and act on them See related entries: Computer programmingSee machine code in the Oxford Advanced American DictionaryCheck pronunciation: machine code oxfordlearnersdictionaries.com