| 单词 | petrifaction |
| 释义 | petrifaction (once / 19376 pages) n Petrifaction is when a plant or animal gradually turns into stone. Petrified wood, wood that's been fossilized over time, is one example of petrifaction. If you study geology, you'll come across the term petrifaction, which can also be called petrification. When an organism goes through petrifaction, its original structure is slowly replaced by minerals, until it's entirely made of stone. Many fossils are the result of petrifaction. This French word comes from the Middle French pétrifier, "to make or become stone," from its Latin root words, petra, "rock or crag," and ficare, "make or become." WORD FAMILYpetrifaction: petrifactions+/petrification: petrifications/petrify: petrifaction, petrification, petrified, petrifies, petrifying/petrifying: petrifyingly USAGE EXAMPLESMost were philosophers, and inquired into the workings of time and memory, natural history, the properties of light, heat, and petrifaction. M.T. Anderson, The Astonishing Life of Octavian No...(2006) He observed also other striking similarities between petrifactions and living organisms. Scientific American(Jul 18, 2013) After the sale of Sue, Ida, and other high-profile fossils, researchers will continue to struggle against those who seek to turn petrifactions into profit. The Guardian(Jan 19, 2013) 1n the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape Syn|Hyper petrification fossilisation, fossilization the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone 2n a rock created by petrifaction; an organic object infiltrated with mineral matter and preserved in its original form Hyper rock, stone a lump or mass of hard consolidated mineral matter |
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