Microelectronics is a subfield of electronics. As the name suggests, microelectronics relates to the study and manufacture (or microfabrication) of very small electronic designs and components. Usually, but not always, this means micrometre-scale or smaller. These devices are typically made from semiconductor materials. Many components of normal e...
field of science and engineering that deals with highly miniaturized electronic circuits and their use
Those micro devices, such as integrated circuits, which are fabricated in sub-micron dimensions and which form the basis of all electronic products.
[n] - the branch of electronics that deals with miniature components
noun the branch of electronics that deals with miniature components