boron nitride
noun Chemistry.
a white powder, BN, formed by heating boron in nitrogen. In its ordinary form, it has a structure of stacked layers of hexagonal rings, very similar to that of graphite, and is used as a refractory electrical insulator.
Compare
Borazon.
Words nearby boron nitride
borohydride,
boron,
boron carbide,
boron hydride,
boron neutron capture therapy,
boron nitride,
boronia,
borosilicate,
borosilicate glass,
borosilicic acid,
borotra
British Dictionary definitions for boron nitride
boron nitride
noun
a white inert crystalline solid existing both in a graphite-like form and in an extremely hard diamond-like form (borazon). It is used as a refractory, high temperature lubricant and insulator, and heat shield. Formula: BN