sideˈritic, a. rare.
[f. siderite1 + -ic.]
Of the nature of siderite (in senses 3 and 4).
| 1796 Kirwan Elem. Min. (ed. 2) II. 180 Sideritic Calx. This consists of Calx of Iron united to Phosphoric acid. 1811 Pinkerton Petral. I. 8 As the stones, confessedly called basalts by the ancients, often present marks of crystallisation, being sideritic rocks or primitive traps. |