integrated circuit

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An electronic circuit whose components, such as transistors and resistors, are etched or deposited on a single slice of semiconductor material to produce a chip.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun electronics a thin chip consisting of at least two interconnected semiconductor devices, mainly transistors

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a microelectronic computer circuit incorporated into a chip or semiconductor; a whole system rather than a single component