brennisteinsvetni

== Icelandic == === Etymology === From brennisteinn +‎ vetni. === Noun === brennisteinsvetni n (genitive singular brennisteinsvetnis, no plural) (inorganic chemistry) hydrogen sulfide Synonym: vetnissúlfíð ==== Declension ==== === Further reading === “brennisteinsvetni” in the Dictionary of Modern Icelandic (in Icelandic) and ISLEX (in the Nordic languages)