tt

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. 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
  2. noun a republic in the western central Pacific Ocean in association with the United States
  3. noun a country scattered over Micronesia with a constitutional government in free association with the United States; achieved independence in 1986

In classic literature

Synonyms

terrestrial time, terrestrial dynamical time, TDT, ephemeris time

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