Associations to the word «Externality»

Wiktionary

EXTERNALITY, noun. (uncountable) The state of being external or externalized.
EXTERNALITY, noun. (countable) A thing that is external relative to something else.
EXTERNALITY, noun. (economics) (countable) An impact, positive or negative, on any party not involved in a given economic transaction or act.

Dictionary definition

EXTERNALITY, noun. The quality or state of being outside or directed toward or relating to the outside or exterior; "the outwardness of the world".

Wise words

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle