noun, plural ex·ter·nal·i·ties.
Related formsnon·ex·ter·nal·i·ty, noun
Examples from the Web for externality
It is this externality of relation that makes hate and fear so poignant and so bitter.Beauty and the Beast|Stewart A. McDowall
In these works he attacked the existing theories of externality which to the unphilosophical mind is proved by visual evidence.
It becomes to me an externality, having extension and parts out of and distinct from each other.
In point of externality there was not much to choose between views which were felt to be radically opposed the one to the other.Edward Caldwell Moore|Edward Moore
In the Principles of Human Knowledge, externality in its ultimate sense as independence of all mind is considered.