Green·wich Mean Time (gr n  ch, grnj)n. Abbr. GMT See universal time. |
Greenwich Mean Time, Greenwich Time
n
(Earth Sciences / Physical Geography) mean solar time on the 0° meridian passing through Greenwich, England, measured from midnight: formerly a standard time in Britain and a basis for calculating times throughout most of the world, it has been replaced by an atomic timescale See universal time Abbreviation GMT
Usage: The name Greenwich mean time is ambiguous, having been measured from mean midday in astronomy up to 1925, and is not used for scientific purposes. It is generally and incorrectly used in the sense of universal coordinated time, an atomic timescale available since 1972 from broadcast signals, in addition to the earliest sense of universal time, adopted internationally in 1928 as the name for GMT measured from midnight
| Greenwich Mean Time (grnch) See universal time. |
See: Universal Time. Also called GMT.
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  Greenwich Mean Time - the local time at the 0 meridian passing through Greenwich, England; it is the same everywheretime - the continuum of experience in which events pass from the future through the present to the past coordinated universal time, UTC - Greenwich Mean Time updated with leap seconds |
Translations
Greenwich Mean Time [ˈgrɪnɪdʒˈmiːnˌtaɪm] Greenwich Time [ˈgrɪnɪdʒˌtaɪm] n → tempo medio di Greenwich
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