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tantalum

tan·ta·lum

tantalum

 
pronunciation:
taen t lm
features:
Word Combinations (noun)
part of speech: noun
definition: a chemical element that has seventy-three protons in each nucleus and that occurs, usu. together with niobium, as a hard, corrosion-resistant gray solid metal with a very high melting point, used esp. in various instruments and equipment. (symbol: Ta)
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