Lavnatrium
Lavnatrium is not a term with a standard, widely recognized definition in contemporary chemistry. It does not correspond to a listed compound in major reference databases, and there is no consensus on its structure, composition, or properties in the scientific literature. As a result, lavnatrium is not a valid entry for a specific chemical substance in the same way as well-established sodium salts such as sodium chloride or sodium sulfate.
Because the name appears to combine the Latin-derived word natrium (sodium) with a preceding element lav-, its
Possible interpretations include that lavnatrium is a fictional compound used in a creative work, a misspelling