ferrocerium
/ˌfɛroʊˈsɪriəm/
noun
- A man-made alloy that produces hot sparks when scraped or struck, used in lighters and flint tools.
- He scraped the ferrocerium with a knife, and a shower of sparks ignited the tinder.
- Many campers prefer ferrocerium over matches because it works even when wet.
- The survival kit included a small rod of ferrocerium for starting fires.