The dibasic anion U2O72- or any salt containing this anion(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "diuranate" in a sentence
"Pounds of ammonium diuranate ( "yellowcake") produced 19,764 --"
"Uranium dissolved in kerosene to form Ammonium diuranate, or "yellowcake""
"Further processing will use a standard flow sheet using solvent extraction, through the production of ammonium diuranate, precipitation, thickening, filtration and finally to drying and yellowcake packing."