1. the pairing of two cities or towns in different countries to promote cultural and commercial links
2. the birth of twins
3. the formation of twin crystals in mineralogy
Usage: geology

1. present participle of twin: to pair or link two places for cultural exchange

Examples

• The twinning of our city with Paris has led to many student exchanges.
• The hospital reported an increase in twinning rates this year.
• They are twinning their town with a community in Japan.
• The mayor announced plans for twinning with three European cities.
• Twinning programs help students learn about different cultures.
• The crystal showed clear evidence of twinning under the microscope.
• Their twinning ceremony will take place next month.