Santorin earth

noun
San·​to·​rin earth | \ ¦santə¦rēn-\
variants: or Santorin

Definition of Santorin earth

: a volcanic tuff from the island of Santorin consisting principally of a fine light gray siliceous material used for making cement

History and Etymology for Santorin earth

from Santorin, Greek island in the Aegean

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