1. plural of fossilisation; the process by which organic remains are converted into fossils through mineralization or other geological processes
Usage: British English spelling; American English uses 'fossilizations'; typically used in geology and paleontology
2. plural of fossilisation; instances or examples of something becoming rigid, outdated, or unable to change
Usage: figurative use; often applied to ideas, institutions, or social practices

Examples

• The fossilisations found in the limestone layer provided evidence of ancient marine life.
• Geologists studied the fossilisations to understand how organisms were preserved over millions of years.
• The fossilisations of traditional customs made it difficult for the community to adapt to modern changes.
• Multiple fossilisations of ammonites were discovered in the quarry.
• The museum displayed various fossilisations from different geological periods.
• Critics argued that the fossilisations of outdated policies hindered progress.