boruret

from The Collaborative International Dictionary of English v.0.48

Boride \Bo"ride\, n. (Chem.)
   A binary compound of boron with a more positive or basic
   element or radical; -- formerly called {boruret}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Boruret \Bo"ru*ret\, n. (Chem.)
   A boride. [Obs.]
   [1913 Webster]