blanker

noun

1. An early form of screensaver that blanked out the screen display when it was not in use.

   “These screen blankers prevent phosphor burn on your screen, which is always a danger when you leave the screen on too long.”

adj

1. (comparative, form-of)comparative form of blank: more blank

   “And lonely as it is, that loneliness Will be more lonely ere it will be less — A blanker whiteness of benighted snow With no expression, nothing to express.”