petrifactive changes
Source: wiktionary
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2 total sentences available.
petrifactive changes
Source: wiktionary
Hereof in ſubterraneous cavities, and under the earth there are many [objects resembling unicorns' horns] to be found in ſeverall parts of Germany; which are but the Lapideſcencies and petrifactive mutations of hard bodies; [...]
Source: wiktionary