The meaning of INTERSTITIAL is occurring in or being an interval or intervening space or segment : of, relating to, or forming an interstice. How to use interstitial in a sentence.

INTERSTITIAL definition: pertaining to, situated in, or forming interstices. See examples of interstitial used in a sentence.

Definition of interstitial adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

INTERSTITIAL definition: 1. relating to spaces between cells, tissues, or organs in the body: 2. relating to connective…. Learn more.

Define interstitial. interstitial synonyms, interstitial pronunciation, interstitial translation, English dictionary definition of interstitial. adj. 1. Relating to, occurring in, or affecting interstices.

Definition of 'interstitial' interstitial in American English (ˌɪntərˈstɪʃəl ) adjective

The interstitial fluid is a reservoir and transportation system for nutrients and solutes distributing among organs, cells, and capillaries, for signaling molecules communicating between cells, and for antigens …

Dec 30, 2025 · interstitial (not comparable) Of, relating to, or situated in an interstice. quotations The novel's interstitial chapters.

interstitial, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Pertaining to, situated in, or constituting an interstice or interstices: as, interstitial change. In entomology, situated between striæ, etc.: as, interstitial punctures on the elytra of beetles.