Definition of petrification in English:
1The process by which organic matter exposed to minerals over a long period is turned into a stony substance.
- We are constantly told that geological processes like petrifaction, fossilisation, and stalagmite formation take millions of years - an unimaginably long time.
- The fossilization process known as petrifaction usually begins when a tree or log is buried in silica-rich, alkaline volcanic ash or mud.
- In petrifaction (sensu stricto) the organic cell walls may decay and be replaced by another phase of minerals, usually with a similar chemical composition to the first phase.
1.1A state of extreme fear, making someone unable to move: his heavy footfalls served to spur Paul out of his petrification
More example sentences
- Liberalism provides valorization of the individual subject and the rule of law against the reactionary potential of institutional petrifaction and authoritarian principles.
- I started glowing in my absolute petrifaction of the dark.
- Kinamori looked at him, absolute petrifaction written on her face.
1.2An organic object that has been turned to stone.
- Cuticle was not preserved on the surfaces of the compressions, although surface features could be observed in parts of some fossils preserved as limonite petrifactions.
- Petrifications, where no organic material remains, are usually prepared as thin sections or polished and studied under reflected light.
- However, Mesozoic examples of insect wood boring occur in petrifactions, many of which were deposited in drier, more riparian habitats.
Definition of petrification in:
- British & World English dictionary
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