tt

• Tt

• TT

• tt

• TT

• tt

• tt

tt

Noun

(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

Synonyms:

• terrestrial time
• TT
• terrestrial dynamical time
• TDT
• ephemeris time

Noun

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

Synonyms:

• Palau
• Republic of Palau
• TT

Noun

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

Synonyms:

• Micronesia
• Federated States of Micronesia
• TT