extreme miniaturization, especially of electronic equipment, with extensive use of integrated circuits.
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British Dictionary definitions for microminiaturization
the production and application of very small semiconductor components and the circuits and equipment in which they are used
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012