Definition: Travertine, Pozzolana, Roman Concrete, Voussoir, Curia


A terrestrial sedimentary rock, formed by the precipitation of carbonate minerals from solution in ground and surface waters, and/or geothermally heated hot-springs



Finely divided siliceous or siliceous and aluminous material that reacts chemically with slaked lime at ordinary temperature and in the presence of moisture to form a strong slow-hardening cement, aka volcanic Italian sand


Roman concrete

Concrete made by the Romans using pozzolana instead of other sands



Wedge-shaped block (typically of a durable stone) used to make a true arch



In ancient Rome, one of the original groupings of citizens, eventually numbering 30, and later every Roman citizen was presumed to belong to one


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.