silicification

noun
si·​lic·​i·​fi·​ca·​tion | \ sə-ˌli-sə-fə-ˈkā-shən How to pronounce silicification (audio) \

Definition of silicification

: the action or process of silicifying : the state of being silicified

First Known Use of silicification

1830, in the meaning defined above

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Time Traveler for silicification

The first known use of silicification was in 1830

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Britannica.com: Encyclopedia article about silicification

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