Ferrocerium is a material used in flint and steel fire starters as well as lighters. It is a great tool for starting fires even in the toughest of weather conditions and is used by campers and hikers worldwide. But as with any other word, there exist synonyms or alternative words for Ferrocerium in the English language; such as; misch metal, Auer metal, fire steel, or even flintlock. All these words can be used interchangeably depending on context, and the choice of word solely depends on the preference of the writer or the speaker. In summary, alternative words for Ferrocerium exist, but Ferrocerium remains the most common and widely accepted term.