blanking

noun3

1. •
   An instance of something being blanked out.
2. •
   The reduction of the brightness of the scanning beam to zero when it needs to be moved without updating the picture.

   • Thus during each blanking, a line pattern of charges is read into the horizontal register in parallel. — 2001
3. •
   A metalworking process to form the rough shape of a sheet-metal workpiece.