mi ‧ cro ‧ e ‧ lec ‧ tron ‧ ics /ˌmaɪkrəʊɪlekˈtrɒnɪks $ -kroʊɪlekˈtrɑː-/ BrE AmE noun [uncountable]
the practice or study of designing very small electrical ↑ circuit s that are used in computers:
the latest developments in microelectronics
—microelectronic adjective :
a new system that has been developed using microelectronic technology