visual aid

noun

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

Word History and Origins

Origin of visual aid¹

First recorded in 1910–15

Example Sentences

That's admittedly not the easiest visual aid to digest, so here's a summary: The total amount of such debt in the U.S. increased over those 15 years to a level of 220, or slightly more than double the amount that existed in 2007.

From Salon

Rim a glass with fiery spices for a bit of heat, or add a sprig of thyme or rosemary for a subtle earthy flavor and a stunning visual aid.

From Salon

“You use these charts as a visual aid,” Goodman said.

From Washington Times

“You use these charts as a visual aid,” Goodman said.

From Seattle Times

At one point, Barshis — who told jurors the average human body contains five liters of blood — lined up five, 2-liter bottles of Diet Coke on a ledge before the jury box, a visual aid to show jurors how much blood would have been at the scene.

From Seattle Times