Home › Words › O › octahydrochlorideoctahydrochlorideoctahydrochloride · noun — any compound that has eight hydrochloride groups.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom octa- + hydrochloride.nounAny compound that has eight hydrochloride groupsDefinitions & examples from Wiktionary (CC BY-SA 3.0).