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Metrum

Haec commentatio de longitudine narrat. De alia significatione videatur Metrum (discretiva)
Metrum ordiale, Platinum-Iridium. Definitio metri usque ad annum 1960.

Metrum[1] (-i, n.; Graece: μέτρον, via Francogallice mètre) est mensura principalis (Anglice: base unit[2]) longitudinis, una ex septem principalibus physicae mensuris in Internationali Unitarum Systemate (Anglice: International System of Units). Definitio, primum excogitatum ut 10 000 000 pars spatii ab aequatore ad Polum Septentrionalem, continenter expolitur ut auctum metrologiae scitae implicet. Post die 21 Octobris 1983, metrum definitur ut spatium a luce transitum in vacuo 299 792 458 parte secundi.[3]

  1. Schlickum, O. (1879). Lateinisch-deutsches Special-Wörterbuch der pharmazeutischen Wissenschaften. Leipzig: Ernst Günther’s Verlag.
  2. Vide commentarium in vicipaedia Anglica.
  3. 17th General Conference on Weights and Measures (1983), decretum primum.

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Meter AF Meter ALS ሜትር AM Metro AN Mita ANN متر Arabic ميترو (عبرة) ARY متر ARZ মিটাৰ AS Metru AST

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