Interstitial

//ɪntəˈstɪʃəl// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A web page, usually carrying advertising, displayed when leaving one content page for another. Internet

    "An interstitial appeared before the download."

  2. 2
    An interstitial discontinuity in a crystal.

    "2008, E. G. Seebauer et al., Defect Engineering for Ultrashallow Junctions using Surfaces, in P. J. Timans, E. P. Gusev, H. Iwai, D.-L. Kwong, M. C. Öztürk, F. Roozeboom (editors), Advanced Gate Stack, Source/Drain, and Channel Engineering for Si-Based CMOS 4: New Materials, Processes, and Equipment, ECS Transactions: Volume 13, Issue 1, page 56, The second mechanism, which is the primary focus of the present paper, involves insertion of interstitials into dangling bonds at the surface."

Adjective
  1. 1
    Of, relating to, or situated in an interstice. not-comparable

    "The novel's interstitial chapters."

Adjective
  1. 1
    of or relating to interstices wordnet

Example

More examples

"If the smaller groups in the interstitial territory would unite their efforts, with the proper strategy and some punctual hits they were able to undermine the advancement of the more centralized sovereign powers."

Etymology

From Latin interstitiālis. By surface analysis, interstitium + -al.

Related phrases

interstitial fluidinterstitial lung diseaseinterstitial nephritisinterstitial space

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.