silicifyv.
/sɪˈlɪsɪfʌɪ/ 1. transitive. To convert into, impregnate with, silica.
ΘΚΠ
the world > matter > chemistry > chemical reactions or processes > subject to chemical reactions or processes [verb (transitive)] > subject to named chemical reaction or process > subject to silicification
silicify1830
1830 C. Lyell Princ. Geol. I. 120 The wood and fruit of the cocoa-nut tree..silicified by the waters of some mineral spring.
1849 J. D. Dana U.S. Exploring Exped.: Geol. (1850) ix. 526 Ejections of basalt..buried the mud,..silicifying the shells, and hardening the rock.
1872 H. A. Nicholson Man. Palæontol. 4 Fossil wood which has been ‘silicified’ or converted into flint.
2. intransitive. To undergo silicification.
ΘΚΠ
the world > the earth > minerals > change processes > [verb (intransitive)] > conversion to silica
silicify1828
1828–32 in N. Webster Amer. Dict. Eng. Lang.
1844 Civil Engineer & Architect's Jrnl. 6 442/1 The term petrifaction being an absurdity as applied to bodies in the act of silicifying.
Derivatives
siˈlicifying n.
ΘΚΠ
the world > the earth > minerals > change processes > [noun] > conversion to silica
silicification1830
silicifying1863
silication1869
silicifaction1881
1863 J. D. Dana Man. Geol. 70 All the fossils of a rock..are changed to silica (quartz) by a silicifying process.
This entry has not yet been fully updated (first published 1910; most recently modified version published online September 2018).
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