one of the three divisions of islands in the Pacific (the others being Melanesia and Polynesia): includes the Mariana, Caroline, Marshall, and Kiribati island groups, and Nauru Island
2. Federated States of Micronesia
Word origin
C19: from micro- + Greek nēsos island; so called from the small size of many of the islands; on the model of Polynesia
Micronesia in American English
(ˌmaɪkrəˈniʒə; ˌmaɪkrəˈniʃə)
country on a group of islands in the W Pacific: 271 sq mi (702 sq km); pop. 108,000; cap. Palikir: official name Federated States of Micronesia
Word origin
ModL < micro- + Gr nēsos, island (see natant) + -ia