| 单词 | greenwich mean time |
| 释义 | Greenwich Mean TimeGreenwich TimeSEE SYNONYMS FOR Greenwich Mean Time ON THESAURUS.COM nounmean 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midnight: formerly a standard time in Britain and a basis for calculating times throughout most of the world, it has been replaced by an atomic timescaleAbbreviation: GMT See universal time usage for Greenwich Mean TimeThe name Greenwich mean time is ambiguous, having been measured from mean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 Words nearby Greenwich Mean Timegreenwash, greenway, green-wellie, Greenwich, Greenwich hour angle, Greenwich Mean Time, Greenwich Time, Greenwich Village, green-winged teal, green with envy, greenwood Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for Greenwich Mean TimeGreenwich Mean Time [ grĕn′ĭch ] See universal time. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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