ephemeris time - WordReference.com Dictionary of English

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- See Also:
- - epenthesis
  - epergne
  - epexegesis
  - Eph.
  - ephebe
  - ephedra
  - ephedrine
  - ephemera
  - ephemeral
  - ephemeris
  - ephemeris time
  - ephod
  - ephor
  - epi-
  - epiblast
  - epic
  - epicanthic fold
  - epicardium
  - epicarp
  - epicedium
  - epicene
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ephemeris time

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Concise Oxford English Dictionary © 2008 Oxford University Press:
ephemeris time

▶noun time on a scale defined by the orbital period rather than the axial rotation of the earth.

'ephemeris time' also found in these Oxford entries:

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