any of various materials depending on the sense of sight, as films, slides, photographs, etc., used as aids in teaching.
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- visual acuity,
- visual aids,
- visual album,
- visual allesthesia,
- visual angle,
- visual aphasia
Origin of visual aid
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
devices, such as films, slides, models, and blackboards, that display in visual form material to be understood or remembered
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