interstition

== English == === Etymology === From Latin interstitiō, or by confusion with interstitium. === Noun === interstition (plural interstitions) An interstice or interstitium; an interstitial space. == Middle English == === Noun === interstition an intervening period of time; interval === Further reading === “interstition”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.