visual aid

noun
  1. any of various materials depending on the sense of sight, as films, slides, photographs, etc., used as aids in teaching.

Origin of visual aid

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for visual aids

visual aids

pl n
  1. devices, such as films, slides, models, and blackboards, that display in visual form material to be understood or remembered
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