zircaloyPronunciation: /ˈzəːkəlɔɪ/ (also zircalloy)Definition of zircaloy noun [mass noun] an alloy of zirconium, tin, and other metals, used chiefly as cladding for nuclear-reactor fuel. Origin: 1950s: from zirconium + alloyzircaloy in other Oxford dictionaries Definition of zircaloy in the US English dictionary
