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Noun: TDT
  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
    - terrestrial time, TT, terrestrial dynamical time, ephemeris time

Type of: time unit, unit of time

Encyclopedia: TDT

Nearest

Tc
TCE
Tchad
Tchaikovsky
tchotchke
tchotchkeleh
TCM
TCP
TCP/IP
TD
TDT
Te
te
Te Deum
Te Kanawa
tea
tea bag
tea ball
tea biscuit
tea bread
tea break