thenardite From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAn orthorhombic-dipyramidal mineral containing oxygen, sodium, and sulfur. Related wordsSynonymsnatrophilitenadoritenatrojarositegonnarditerenarditevernaditeparanatisitenatroniobitenatroxalatenasonitenatrofairchilditenasinitemannarditeternesitedorfmaniteoenite References Wiktionary — thenardite Wikipedia — thenardite