Dictionary
Words, grammatical forms and meanings linked to the ontology.
standard meridian en · NOUN
Meanings
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(uncountable) The meridian used for determining standard time.
It is intended that local time at any place on the surface of the globe shall generally be regulated by the standard meridian nearest or most convenient to such place in longitude.
1884, International Institute for Preserving and Perfecting Weights and Measures, Committee on Standard Time, What Shall be the Prime Meridian for the World?, page 22: