microcode micrococcus • microcoleoptera · · · Info · Definitions · Synonyms · Characters · · microcode · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) (computer science) coded instructions that are stored permanently in read-only memory. Synonyms: firmware. · · Noun Definition 1 Synonyms · · · firmware · · Synonym 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072