interstitial
adjective/ˌɪntərˈstɪʃəl/
Frequency rank: #16,022 most common English word
Meaning
Relating to or situated in the small gaps or spaces between tissues or structures.

Example sentence
The doctor examined the interstitial fluid that had accumulated between the tissue layers.
Synonyms & related words
- intermediate
- intervening
- interlying
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