pozzolana
/pot-suh-lah-nuh; Italian pawt-tsaw-lah-nah/US // ˌpɒt səˈlɑ nə; Italian ˌpɔt tsɔˈlɑ nɑ //
泊来品,泊头市,泊头,泊来石
Definitions
n.名词 noun
- 1
- : a porous variety of volcanic tuff or ash used in making hydraulic cement.
Examples
This shows the utter unfitness of the pozzolana beds in which the arenaria are excavated for the construction of the Catacombs.
The celebrated Pozzolana sand makes the best mortar in the world, from its gritty nature.
Not only the walls but the vaults were built in this pozzolana concrete, and formed one solid mass.
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