raster Hear it!

raster definition

ras·ter (ras′tər)

noun

the pattern of illuminated horizontal scanning lines formed on a picture tube when no signal is being received

Etymology: Ger, screen < ML rastrum, rake < L, hoe, mattock < rasus: see raze

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.