HyperDic: date_of_reference

English > 1 sense of the expression date of reference:
NOUNtimedate of reference, epoch(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
English > date of reference: 1 sense > noun 1, time
Meaning(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded.
Synonymepoch
Categoryastronomy, uranologyThe branch of physics that studies celestial bodies and the universe as a whole
BroaderdateThe particular day, month, or year (usually according to the Gregorian calendar) that an event occurred
Spanishépoca

©2001-24 · HyperDic hyper-dictionary · Contact

English | Spanish | Catalan
Privacy | Robots

Valid XHTML 1.0 Strict