A small space or gap between things or parts, especially in a biological or structural context.
The interstitial spaces in the rock were filled with water.
A short segment or filler content used in broadcasting, such as between programs or during a break.
The network aired an interstitial featuring behind-the-scenes footage between the main shows.
interstitialadjective
Relating to or situated in the small spaces between things, especially in the context of biological tissues.
The interstitial fluid in the body plays a crucial role in transporting nutrients and waste between cells.
Occurring in the intervals or spaces between other things, often used in a more general sense.
The interstitial ads on the website appeared between the main content sections.
Relating to a full-screen advertisement or other content that appears before, after, or in between the primary content on a website or mobile application.
Many users find interstitial ads intrusive when they block access to the main article.