microprogram

[mahy-kruh-proh-gram, -gruh m] /ˈmaɪ krəˌproʊ græm, -grəm/
noun
1.
Computers. a set of microinstructions that defines the individual operations that a computer carries out in response to a machine-language instruction.
Origin
1950-55; micro- + program
Related forms
microprogrammable, adjective
British Dictionary definitions for microprogrammable

microprogram

/ˈmaɪkrəʊˌprəʊɡræm/
noun
1.
(computing) a sequence of microinstructions that controls the operation of an arithmetic and logic unit so that machine code instructions are executed