ZEEP
Acronym for Zero Energy Experimental Pile
Zero Energy Experimental Pile
The 10-watt research reactor at Chalk River Laboratories. On September 5, 1945, ZEEP successfully achieved the first self-sustained nuclear reaction outside the United States.
Source: AECL
Zirconium
Zirconium is a metallic element with atomic number of 40. An alloy of zirconium known as Zircaloy is extensively used for the cladding of nuclear fuel elements and for pressure tubes for water-cooled reactors such as the CANDU reactor.