| 释义 |
silicify, v.|sɪˈlɪsɪfaɪ|
[Cf. prec. and -fy.]
1. trans. To convert into, impregnate with, silica.
1830Lyell Princ. Geol. I. 120 The wood and fruit of the cocoa-nut tree..silicified by the waters of some mineral spring. 1849Dana Geol. ix. (1850) 526 Ejections of basalt..buried the mud,..silicifying the shells, and hardening the rock. 1872Nicholson Palæont. 4 Fossil wood which has been ‘silicified’ or converted into flint.
2. intr. To undergo silicification.
1828–32in Webster. 1844Civil Eng. & Arch. Jrnl. VI. 442/1 The term petrifaction being an absurdity as applied to bodies in the act of silicifying.
Hence siˈlicifying vbl. n.
1863Dana Man. Geol. 70 All the fossils of a rock..are changed to silica (quartz) by a silicifying process. |