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calcareous tufa

noun
1.
tufa (def 1).
Origin of calcareous tufa
1810-1820
1810-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for calcareous tufa
  • The original deposit was probably a porous calcareous tufa.

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Word Value for calcareous

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18
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