Noun
A binary compound of boron with a more positive or basic element or radical; -- formerly called boruret.
Source: Webster's dictionaryOne such chalcogen boride consists of two molecules of dimethyl sulfide attached to a boron-hydrogen molecule. Source: Internet
The powder can be converted into larger crystals of a certain samarium boride using arc melting or zone melting techniques, relying on the different melting/crystallization temperature of SmB 6 (2580 °C), SmB 4 (about 2300 °C) and SmB 66 (2150 °C). Source: Internet