erasure

Etymology

noun

1. The action of erasing; deletion; obliteration.
2. The state of having been erased; total blankness.
   Bush, even when he had the floor, grimaced as he spoke, except on several occasions when he lost his way and a look of total erasure came over him, a blank, stricken stare for which the French, alas, have the most apt expression: like a cow watching a train go by. Oct 18, 2004, The New Yorker
3. The place where something has been erased.
   There were several erasures on the paper.
4. (sociology) A tendency to ignore or conceal an element of society.
   bisexual erasure