Wikipedia does not have an article on "pyrenium", but its sister project Wiktionary does: Read the Wiktionary entry "pyrenium" You can also: Search for Pyrenium in Wikipedia to check for alternative titles or spellings. Start the Pyrenium article, using the Article Wizard if you wish, or add a request for it; but please remember that Wikipedia is not a dictionary.wiktionary:Special:Search/pyrenium Wikiwand - on Seamless Wikipedia browsing. On steroids.