schistoid, a. Geol.
(ˈʃɪstɔɪd)
[f. schist1 + -oid.]
Having the nature of, or resembling, schist.
| 1852 Th. Ross tr. Humboldt's Trav. II. xxiv. 398 We saw in the mountains of Upper Orinoco,..granites passing into gneiss, and schistoid hornblendes. 1858 Mayne Expos. Lex. |