combining form of URE-A, occurring in a few words, as ureo-carbonate, -carbonic, ureometer, ureometry: (see quots. and cf. UREA, URO-1).
1852. Watts, trans. Gmelins Handbk. Chem., VII. 377. It is resolved into alcohol and a *ureo-carbonate of the alkali. Ibid. The constituents of vinic ether and of hypothetically anhydrous *ureo-carbonic acid.
1876. J. G. Blackley in Jrnl. Chem. Soc., II. 467. A modification of Russell and Wests *ureometer.
1884. Knight, Dict. Mech., Suppl. 915/1. In Hüfners new ureometer, the exact methods for the determination of urea in organic liquids are complex and tedious.
1901. Lancet, 9 March, 697/1. I have examined the urine with Martindales ureometer.
1876. J. G. Blackley in Jrnl. Chem. Soc., II. 447. The operation of *ureometry.