processor

[ pros-es-er or, especially British, proh-ses- ]
/ ˈprɒs ɛs ər or, especially British, ˈproʊ sɛs- /

noun

a person or thing that processes.
Computers.
  1. a controller, the key component of a computing device that contains the circuitry necessary to interpret and execute electrical signals fed into the device.
  2. a computer.

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Sometimes proc·ess·er .

Origin of processor

First recorded in 1905–10; process + -or2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for processor

processor
/ (ˈprəʊsɛsə) /

noun

computing another name for central processing unit
a person or thing that carries out a process
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

Scientific definitions for processor

processor
[ prŏsĕs′ər, prōsĕs′- ]

A part of a computer, such as the central processing unit, that performs calculations or other manipulations of data.
A program that translates another program into a form acceptable by the computer being used.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.