释义 |
boart
boart (bɔːt) n (Elements & Compounds) a variant spelling of bortbort (bɔrt) n. low-quality diamond, in granular aggregate or small fragments, valuable only in crushed or powdered form as an abrasive. [1615–25; appar. metathetic variant of *brot (Old English gebrot fragment)] boart
boart[bȯrt] (mineralogy) bort |