microelectronics

noun (used with a singular verb)

1. the technology dealing with the design, development, and construction of electronic systems utilizing extremely small elements, especially solid-state devices employing microminiaturization.

noun

1. (functioning as singular) the branch of electronics concerned with microcircuits

n.1960, from micro- + electronics.

1. The branch of electronics that deals with miniature components generally too small to be seen by the naked eye.