combining form of URAN-IUM, occuring, usu. in the sense ‘containing, composed or having the structure of, uranium,’ in various (chiefly mineralogical) terms (some of which have little or no real currency in the language, but are mere borrowings from German sources), as urano-ammonic, -chalcite, -circite, niobate, -phane, -phyllite, -pilite, -pissite, -sphærite, -spinite, -tantal(ite, -thallite, -thorite, -til(e.
1850. Watts, trans. Gmelin’s Handbk. Chem., IV. 184–5. Urano-ammonic Carbonate,… Urano-ammonic Sulphate.
1850. Ansted, Geol. & Min., 220.
1855. Orr’s Circ. Sci., Geol., 531.
1867. Brande & Cox, Dict. Sci., III. 905.
1868. Dana, Min.
1868. Watts’ Dict. Chem., V. 186, 949.
1883. Encycl. Brit., XVI. 407, 425, 427.
1896. Chester, Dict. Min., 278–9.
