- 2a country in the western Pacific Ocean, north of the equator, composed of hundreds of islands in the Caroline Islands group; population 107,400 (est. 2009); capital, Palikir; languages, English (official) and Austronesian languages. Full name Federated States of Micronesia.
The group was administered by the US as part of the Pacific Islands Trust Territory from 1947 and entered into free association with the US as an independent state in 1986
from Greek mikros 'small' + nēsos 'island'