Yellowcake refers to a powdery substance that is made from processing uranium ore. It is a crucial step in producing nuclear fuel for power plants and weapons. Full definition
Doing that will make you glow like you went swimming in a vat of yellowcake uranium. (uptowork.com)
Jason Bourne takes a mission to rescue his only friend in the CIA, Martin Lindros, who disappeared in Africa while tracking shipments of yellowcake uranium. (bookbrowse.com)
Wall painted in Quartz Flint 4 matt emulsion (top), # 24.49 for 2.5 ltr, Paint Mixing range, Dulux; Vardo Estate Emulsion (bottom); stripe painted in Yellowcake Estate Emulsion; both # 39.50 for 2.5 ltr, Farrow & Ball (idealhome.co.uk)