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spell checker

noun
  1. a computer program for checking the spelling of words in an electronic document.
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Origin of spell checker

First recorded in 1980–85
Also called spelling checker.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for spellchecker

spellchecker

noun
  1. computing a program that highlights any word in a word-processed document that is not recognized as being correctly spelt
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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