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addaword.gifdefinition of interstitial

adjective
in the area between
Cells in the brain shrink during sleep, increasing the size of the interstitial space, the gaps between brain tissue, and allowing more fluid to be pumped in and wash the toxins away.
Submitted by: Valerie Bevan from United Kingdom on 21/03/2014 10:25:00
Definition of interstitial from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online

emoji

a small digital image … which is used in electronic communication to express emotion or other simple concepts

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