See Also: pozzolana(dictionary)

pozzolana (iou)



pozzolana noun. E18.
[Italian pozz(u)olana (sc. terra) '(earth) belonging to Pozzuoli', a town near Naples (from Latin Puteoli little springs).]
A volcanic ash, containing silica, alumina, lime, etc., used in the preparation of hydraulic cement. Also, an artificial preparation resembling this. Freq. attrib., esp. in pozzolana cement.
pozzolanic adjective of the nature of or containing pozzolana E19.
pozzola'nicity noun the property of combining with lime in the presence of water to form a cement M20.