Microelectronics Definition

mīkrō-ĭ-lĕk-trŏnĭks
noun
The branch of electronics that deals with miniature components.
American Heritage
The science dealing with the theory, design, and applications of microcircuits.
Webster's New World
Microelectronic devices as a non-specific mass.
Wiktionary

Plural form of microelectronic.

Wiktionary