Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: externality  ,ek,stur'na-li-tee
  1. The quality or state of being outside or directed toward or relating to the outside or exterior
    "the externality of the world";
    - outwardness, exteriority

Derived forms: externalities

Type of: position, spatial relation

Encyclopedia: Externality