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[mahy-kroh-pros-es-er, ‐uh-ser; especially British ‐proh-ses-er, ‐suh-ser] /ˈmaɪ kroʊˌprɒs ɛs ər, ‐ə sər; especially British ‐ˌproʊ sɛs ər, ‐sə sər/
an integrated computer circuit that performs all the functions of a CPU.
Origin of microprocessor
1965-70; micro- + processor
Related forms
microprocessing, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for microprocessor
Contemporary Examples
Historical Examples
  • The capabilities of the integrated circuit (IC), and in particular the microprocessor, continue to increase unabated.

    Shock and Awe Harlan K. Ullman
British Dictionary definitions for microprocessor


(computing) a single integrated circuit performing the basic functions of the central processing unit in a small computer
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
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Word Origin and History for microprocessor

1970, from micro- + processor.

Online Etymology Dictionary, © 2010 Douglas Harper
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microprocessor in Science
An integrated circuit that contains a processor, such as a central processing unit.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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microprocessor in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010
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