hornstone
noun
horn·stone ˈhȯrn-ˌstōn 
: a mineral that is a variety of quartz much like flint but more brittle
Word History
First Known Use
1728, in the meaning defined above
- Bessemer copper
- Bessemer iron
- bessemer pig
- Bessemer process
- Bessemer steel
- bessemerize
- Besser block
- besser blocks
- besserae
- besseras
- besseyae
- besseyas
- Bessy
- Bessy cerka
- bessybug
- best
- best (out) of three/five/seven
- best bet
- best bib and tucker
- best bower
- best boy
- best foot
- best friend
- best friends
- best girl