Definitions

1. noun

A grid or matrix of pixels used in a display device to create images.

“The digital image was composed of a raster of tiny pixels.”

2. verb

To display a raster scan of a television or other electronic image.

“The TV will raster the image on the screen after it’s connected.”

3. noun

An older term for a raster graphics image file, especially a bitmap.

“The raster file was converted to a vector graphic.”