• Definition for "date of reference"
    • (astronomy) an arbitrarily fixed date that's the moment…
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  • Hypernym for "date of reference"

date of reference definition

  • noun:
    • (astronomy) an arbitrarily fixed date that's the moment in time in accordance with which information (as coordinates of a celestial body) is taped
    • (astronomy) an arbitrarily fixed date that's the stage relative to which information (as coordinates of a celestial human body) is taped
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