web-feature: <dfn>

Widely available

The <dfn> element marks a term to be defined, styling text as italic by default.

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

WPE MiniBrowser

Linux

2026-06

Servo

Android

2026-06

Chrome Browser

Android

18

Safari Browser

iOS

6