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8 Wintry Words to Defrost Your Vocabulary

sponge iron

noun
1.
finely divided, porous iron, reduced from an oxide at a temperature below the melting point.
Also called iron sponge.
Origin
1870-1875
1870-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sponge iron
  • In addition, the sponge iron could store the synthesis gas.

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Word Value for sponge

9
12
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