Hüperonüümid:
meridiaan 1(n)
algmeridiaan 1(n), nullmeridiaan 1(n)

geograafiliste pikkuste lugemisel algjooneks võetav meridiaan (EKSS)

ILI-1.5 relation(s)

eq_synonym

PWN-3.0 relation(s)

eq_synonym
prime meridian 1(n) meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England)

CILI relation(s)

eq_synonym
prime_meridian 1(n) meridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England)