n.
A markup language used to structure text and multimedia documents and to set up hypertext links between documents, used extensively on the World Wide Web.
[H(yper)t(ext) M(arkup) L(anguage).]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.