Found 1 items, similar to tt.
English → English (WordNet) Definition: TT TT n 1: (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 [syn: terrestrial time , terrestrial dynamical time, TDT, ephemeris time ] 2: a republic in the western central Pacific Ocean in association with the United States [syn: Palau, Republic of Palau ] 3: a country scattered over Micronesia with a constitutional government in free association with the United States; achieved independence in 1986 [syn: Micronesia, Federated States of Micronesia ]