1684 Minute 18 June in T. Birch (1757) IV. 306 Upon mentioning Puzzuolane used in the mole of Tangier, Dr. Lister said, that it might be had in England, it being nothing but pyrites burnt.
1692 tr. C. Perrault i. ii. 38 The Sand which is found near Naeples call'd Pozzolana is so proper to make good Mortar, if it be mixed with Lime, that not only in the ordinary Fabricks, but even in the very bottom of the Sea it grows into a wonderful hard Body.
1700 (Royal Soc.) 22 648 Out of them [the Catacombs] was taken the Puzzolana, the famous ingredient in the Roman Mortar.
1779 (Royal Soc.) 68 6 They grind down this sort of stone..into a powder, which they use as a puzzolane for all their buildings under water.
1795 C. Este 309 Like the lava and puzzuolana of Italy, are the tarras and the basaltes upon the Rhine.—They are the best building materials.
1818 E. Henderson II. xii. 121 A yellowish alluvial formation resembling the tuffas or puzzuolana of Iceland.
1842 36 294 The clays used in the fabrication of certain pouzzolanas.
1853 A. Ure (ed. 4) II. 511 Puozzolana is a volcanic gravelly product used in making hydraulic mortar.
1907 1 1078 (heading) Process of manufacturing limes, cements, and puzzolans.
1951 46 311 Pozzolans are natural and artificial siliceous and aluminous substances which are not cementitious themselves but which react with lime in the presence of water at atmospheric temperatures to produce cementitious compounds.
1977 iv. iv. 35 In Britain..they made an artificial pozzolana out of tiles and potsherds crushed to a powder... This was often used as a floor surface.
2004 (Nexis) 9 Oct. 60 Today, Pozzolana or pozzolan means either the cement itself or any finely divided aluminosilicate that reacts with lime in water to form cement.
