单词 | osmium |
释义 | osmium/ˈɒzmɪəm /noun [mass noun] The chemical element of atomic number 76, a hard, dense silvery-white metal of the transition series. (Symbol: Os) Scientists speculate that the asteroids would probably be very rich in minerals with a very high melting point, such as iron and nickel or rarer metals like tungsten, osmium, and zirconium....
OriginEarly 19th century: modern Latin, from Greek osmē 'smell' (from the pungent smell of its tetroxide). |
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