externality


ex·ter·nal·i·ty

noun \ˌek-ˌstər-ˈna-lə-tē\
plural ex·ter·nal·i·ties

Definition of EXTERNALITY

1
:  the quality or state of being external or externalized
2
:  something that is external
3
:  a secondary or unintended consequence <pollution and other externalities of manufacturing>

First Known Use of EXTERNALITY

1673

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