English to English
noun
- the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape
source: WordNet 3.0
- a rock created by petrifaction; an organic object infiltrated with mineral matter and preserved in its original form
source: WordNet 3.0
- The process of petrifying, or changing into stone; conversion of any organic matter (animal or vegetable) into stone, or a substance of stony hardness.
source: Webster 1913