abstrakti
type: Concept
narrower: meridinaani

nollameridiaani
type: Concept
broader: meridinaani
preferred label: prime meridian @en

meridinaani
type: Concept
broader: Thing
broader: abstrakti
in scheme: conceptscheme
narrower: nollameridiaani
note: maapallon napojen kautta kulkeva isoympyrä (Geoinformatiikan sanasto)
preferred label: meridian @en