externality(n = noun.attribute) outwardness - the quality or state of being outside or directed toward or relating to the outside or exterior; "the outwardness of the world"
is a kind of position, spatial relation
has particulars: worldliness
Derived forms adjective external1, adjective external2
State of being external; exteriority [1913 Webster]
"Pressure or resistance necessarily supposes externality in the thing which presses or resists." [1913 Webster]