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teaching machine

American

noun

an automatic device that presents the user with items of information in planned sequence, registers their response to each item, and immediately indicates the acceptability of each response.

teaching machine British

noun

a machine that presents information and questions to the user, registers the answers, and indicates whether these are correct or acceptable

"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

Etymology

Origin of teaching machine

First recorded in 1955–60

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023