hypertext mark-up language is a noun meaning "a set of tags and rules (conforming to SGML) for using them in developing hypertext documents". It carries one recorded sense.
a set of tags and rules (conforming to SGML) for using them in developing hypertext documents
Definitions, synonyms and semantic relations for hypertext mark-up language come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.