1. plural of archipelago; groups of islands

Examples

• The Philippines and Indonesia are famous archipelagos in Southeast Asia.
• Many archipelagos were formed by volcanic activity over millions of years.
• The Greek archipelagos attract thousands of tourists each summer.
• Scientists study the unique ecosystems found in tropical archipelagos.
• Ancient civilizations developed distinct cultures across different archipelagos.
• Climate change threatens low-lying archipelagos with rising sea levels.