mi‧cro‧en‧gi‧neer‧ing /ˌmaɪkrəʊendʒəˈnɪərɪŋ, ˌmaɪkrəʊendʒɪˈnɪərɪŋ $ -kroʊendʒəˈnɪr-/
noun [uncountable] the activity of designing structures and machines that are extremely small
—microengineer noun [countable] [TahlilGaran] Dictionary of Contemporary English ▲