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A crystal defect in which an atom occupies a position between the regular lattice positions of a crystal.
(science and technology)
Of, pertaining to, or situated in a space between two things.
Forming a narrow or small space between parts of other elements, or between floors in a structure.
A World-Wide Web page that appears before the expected content page. Interstitials can be used for advertising (intermercial, transition ad) or to confirm that the user is old enough to view the requested page, etc..