What is the meaning of typographical error?

noun

11
 
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APAWordNet. (2010). typographical error. Retrieved April 26, 2019, from http://smartdefine.org/typographical_error/definitions/1317893
ChicagoWordNet. 2010. "typographical error" http://smartdefine.org/typographical_error/definitions/1317893 (accessed April 26, 2019).
HarvardWordNet 2010, typographical error, Smart Define, viewed 26 April, 2019, <http://smartdefine.org/typographical_error/definitions/1317893>.
MLAWordNet. "typographical error" 23 October 2010. Web. 26 April 2019. <http://smartdefine.org/typographical_error/definitions/1317893>