An interstitial space or interstice is an empty space or gap between spaces full of structure or matter. In particular, interstitial may
Kaynak: Interstitial

developing critical art in the public realm, in the natural interstice the platform and incidental footfall of over 4,000 passengers a day provides.
Kaynak: Banner Repeater

In both of these very similar lattices there are two sorts of interstice, or hole: 2 tetrahedral holes per metal atom, i.e. the hole is
Kaynak: Interstitial compound