fossilisation

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the process of fossilizing a plant or animal that existed in some earlier age;
the process of being turned to stone
• Syn:
fossilization
• Derivationally related forms:
fossilise, fossilize (for: fossilization)
• Hypernyms:
natural process, natural action, action, activity
• Hyponyms:
petrifaction, petrification
2. becoming inflexible or out of date
• Syn:
fossilization
• Derivationally related forms:
fossilise
• Hypernyms:
passage, transition