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