petrifaction
/,petri'fækʃn/
danh từ
- sự biến thành đá, sự hoá đá
- chất hoá đá; khối hoá đá
Định nghĩa tiếng Anh
n. the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape\nn. a rock created by petrifaction; an organic object infiltrated with mineral matter and preserved in its original form