Definition of yellowcake in English:


Line breaks: yellow|cake
Pronunciation: /ˈjɛlə(ʊ)keɪk


[mass noun]
  • Impure uranium oxide obtained during processing of uranium ore.
    More example sentences
    • The natural uranium and yellowcake stored at Tuwaitha was not nuclear bomb grade material.
    • The process of uranium enrichment is incredibly difficult and energy intensive. Thousands of tons of uranium ore should be processed into powder form called yellowcake.
    • Included in those facilities, say analysts, is a process line for turning uranium ore into yellowcake, the first step in the process towards enriching it into weapons-grade material.


1950s; so named because it is obtained as a yellow precipitate.

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Word of the day skosh
Pronunciation: skōSH
a small amount; a little