date of reference

1. 1.

   (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded

   Synonymsepoch

   Broaderdate

   astronomy

Questions about date of reference

What does date of reference mean?

date of reference means "(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded".

What is another word for date of reference?

Close synonyms include epoch. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is date of reference a common word?

date of reference is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.