en

International reference meridian

1

Terminological databases

Metroloogia terminibaas

ID 574846 Last modified 08.05.2024
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Domain Standardisation - Metrology
  • geograafilise pikkuse mõõtmisel aluseks võetav meridiaan, mis läbib Greenwichi observatooriumi asukohta
  • meridiaan, mis läbib Londoni Greenwichi linnaosa, kus aastatel 1675–1958 asusid Greenwichi observatoorium ja tähetorn
  • geographical reference line that passes through the Royal Observatory, Greenwich, in London, England
  • meridian, imaginary line used to indicate 0° longitude that passes through Greenwich, a borough of London, and terminates at the North and South poles
algmeridiaan preferred
Usage examples
  • Maailma algmeridiaani, nagu kõik planeedi Maa riigid 1984. aastal kokku leppisid, tuntakse ka kui rahvusvahelist tugimeridiaani või IRM-i.
IRM abbreviation
Greenwichi meridiaan
Good to know
  • Greenwichi meridiaani loeti aastast 1884 geograafilise pikkuse määramise algmeridiaaniks ja nullajavööndi keskmeridiaaniks.
nullmeridiaan
prime meridian preferred
Usage examples
  • The prime meridian of the world, as agreed by every nation on the planet in 1984, is the IERS Reference Meridian, which is also known as the International Reference Meridian or IRM.
IRM abbreviation

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