Synonyms for TT

1. TT (n.)

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


2. TT (n.)

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


3. TT (n.)

(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