zircalloy
(zɜːkˈælɔɪ) n (Metallurgy) an alloy of zirconium containing small amounts of tin, chromium, and nickel. It is used in pressurized-water reactors
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014