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单词 vanadium
释义 vanadium
n. Chem. a hard grey metallic transition element occurring naturally in several ores and used in small quantities for strengthening some steels.
Usage
Symb.: V.
Derivatives
vanadate n. vanadic adj. vanadous adj.
Etymology: mod.L f. ON Vanad{iacute}s name of the Scand. goddess Freyja + -IUM
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