1850 Watts tr. Gmelin'sHandbk. Chem. IV. 181–7Uranoso-uranic oxide,..uranoso-ammonic Carbonate,..uranoso-ammonic sulphate,..uranoso-potassic Sulphate. 
1868 ― Dict. Chem. V. 941Pitchblende..consists of impure uranoso⁓uranic oxide. 
Ibid. 946.
uranoso-
combining form 
Etymology: International Scientific Vocabulary, from New Latin uranosus uranous 
 : uranous 
< uranosopotassic >
< uranosopotassic >
uranoso-
Prefix
- chemistry uranous
Etymology
uran- + -ose + -o-