calˈcigenous, a. Chem. ? Obs.
[f. L. calc(i)- in sense of calx + -gen-us born, bearing + -ous; cf. alkaligenous.]
Producing a calx; said of those metals which with oxygen form a ‘calx’.
| 1854 Scoffern in Orr's Circ. Sc. Chem. 434 Metals, the oxides of which were termed by ancient chemists calces, and which are, therefore, known as the calcigenous metals. c 1865 J. Wylde in Circ. Sc. I. 311/1 Three classes; namely, Alkaligeneous, Calcigeneous, and Metals proper. |