Dictionary.com
definitions

permalink

[pur-muh-lingk]
noun Digital Technology.
  1. a permanent URL that links to a specific web page, typically a single blog entry or news article.

Origin of permalink

perma(nent) + link1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for permalink

permalink

noun
  1. an internet hyperlink that is intended to be permanent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012