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interstitiel

French, adjective/ɛ̃.tɛʁ.sti.sjɛl/

interstitiel is spelled I-N-T-E-R-S-T-I-T-I-E-L (12 letters) and appears about once in every 10 million words in written French, the 104,709th most frequent French word form (wordfreq, 2021 data). Interstitiel is a French adjective meaning “interstitial” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Qui se trouve dans les interstices de quelque chose”.

What does interstitiel mean in English?

adjective

  1. 1

    interstitial

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).

How French dictionaries define it

adjective: 1. Qui se trouve dans les interstices de quelque chose. 2. Relatif au tissu de soutien qui entoure les éléments différenciés d’un organe, tissu conjonctif, ligaments, etc.

noun: 1. Page de publicité qui apparait pendant un temps de chargements.

The definition in the French Wiktionary (Wiktionnaire), in French.

Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of interstitiel

  • interstitielle feminine
  • interstitiels masculine plural
  • interstitielles feminine plural

Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce interstitiel?

  • /ɛ̃.tɛʁ.sti.sjɛl/
  • \ɛ̃.tɛʁ.sti.sjɛl\

Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.

English words that translate to interstitiel

Source: the translation tables of the English Wiktionary, dump of September 2, 2026.

How common is interstitiel in French?

interstitiel appears about once in every 10 million words in written French.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

What to look up after interstitiel