self-closing

From self- +‎ closing.

• (UK) IPA^(key): /sɛlfˈkləʊzɪŋ/

self-closing (not comparable)

1. Closing automatically after having been opened.
   • 1964 August, “New all-metal CIE coaches”, in Modern Railways, page 109:

     Self-closing, spring-loaded, sliding doors are fitted to ensure that the coaches are draught-proof.

2. (web development, of an HTML or XML tag) In the form of (for example) <br /> or <br>, without containing any content, as opposed to (for example) <span>text</span>, which is composed of an opening (<span>) and a closing (</span>) tag.

• self-opening

• “self-closing”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.