Longman Dictionary of Contemporary English
Usage examples of "visual aid".
The hole, I was afraid of that Do you mind being a visual aid to the schoolmaster for five minutes?
Peter did not reveal, or hint even to Johnny, what he now realized: that he could have 'ported accurately on the basis of a clear visual aid.
For a brief few hours there was enough gray illumination through the clouds to suggest that the sun might be up, in a theoretical sense, but by the time the pilots were roused, the view out the windows of their quarters might as well have been painted black, for even the runway lights were out, lest they give some unwelcome visitor a visual aid in finding the base through the gloom.
And I had certainly never before had such a spectacular and useful visual aid as having my entire life pass before my eyes in a single gestalt, in such detail that I could, for instance, see at once both what my childhood had really been like, and the edited version of it I had allowed myself to carry into adulthood.
The stranger was staring at the screen, too, but with the abstracted gaze of one who is using a visual aid to enhance far-removed thoughts.
Your First Sergeant was kind enough to consent to being my visual aid.
A trio of di'Taykan officers at the far end pink, teal, and lavender hairprovided a visual aid for anyone who wondered why the Corps had switched to black uniforms and about forty civilians filled the space in between, including four representatives of a species Torin couldn't identify.