vacancy

Definitions

General English

Commerce

  • noun a job which is to be filled
  • noun an empty place, empty room

Electronics

  • A space or location which is empty or otherwise unoccupied. Also, the condition of being so empty or otherwise unoccupied.
  • In a crystal lattice, a defect in which a position is not occupied by a nucleus, atom, molecule, or ion.
http://www.dictionarycentral.com/definition/vacancy.html