degausser

[dee-gou-ser]
noun
  1. something that degausses.
  2. a device, especially one used in filmmaking, that can erase a whole roll of magfilm, audiotape, etc., so that it can be used again.

Origin of degausser

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018