DictionaryBo•ra•zonPronunciation: (bôr'u-zon", bōr'-), [key] Chem. Trademark. a brand name for a cubic, diamondlike, extremely hard form of boron nitride, obtained at high temperatures and pressures: used as an abrasive and grinding agent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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