tt

Noun

• a country scattered over Micronesia with a constitutional government in free association with the United States; achieved independence in 1986

• a republic in the western central Pacific Ocean in association with the United States

• (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions

Related words

• Synonyms: 
  Micronesia , Federated States of Micronesia , TT , Palau , Republic of Palau , terrestrial time , terrestrial dynamical time , TDT , ephemeris time