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English definition of “interstitial”

interstitial

adjective uk   /ˌɪn.təˈstɪʃ.əl/ us    /ˌɪn.tərˈstɪʃ.əl/

interstitial adjective (medical)

specialized medical relating to spaces between cells, tissues, or organs in the body: Deficiencies of sodium and water can cause shrinkage of the interstitial space. specialized medical relating to connective tissue that supports the working parts of an organ in the bodySubstances and structures in the body

interstitial adjective (BETWEEN)

formal relating to the space or time between things: the interstitial parts of the movie that punctuate the main action
(Definition of interstitial from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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