Meanings
plural prime meridians
- The reference line at 0° longitude, passing through Greenwich, England, from which longitude east and west is measured.
Other prime meridians were presented as candidates for the world's baseline: Jerusalem; Ferro; Kamchatka; the mid-Atlantic; the Bering Strait; and Greenwich's antimeridian.
2017, Charles W. J. Withers, Zero Degrees: Geographies of the Prime Meridian, Harvard University Press, →ISBN, page 183Synonyms: Greenwich meridian, zero meridian
Synonyms & antonyms
nounThe reference line at 0° longitude, passing through Greenwich, England, from which longitude east and west is measured.
Translations
Arabic خَطّ الزَّوَال, خَطّ الطُّول الرَّئِيسِيّ
- خَطّ الزَّوَال (ḵaṭṭ az-zawāl)reference line
- خَطّ الطُّول الرَّئِيسِيّ (ḵaṭṭ aṭ-ṭūl ar-raʔīsiyy)reference line
- خَطّ غَرِينِيتْش (ḵaṭṭ ḡarīnītš)reference line
Catalan meridià zero
- meridià zeroreference line
Chinese Mandarin 本初子午線 /本初子午线, 格林威治子午線 /格林威治子午线
- 本初子午線 /本初子午线 (běnchū zǐwǔxiàn)reference line
- 格林威治子午線 /格林威治子午线 (Gélínwēizhì zǐwǔxiàn)reference line
- 格林尼治子午線 /格林尼治子午线 (Gélínnízhì zǐwǔxiàn)reference line
Dutch nulmeridiaan
- nulmeridiaanreference line
Finnish nollameridiaani
- nollameridiaanireference line
French premier méridien, méridien d’origine
- premier méridienreference line
- méridien d’originereference line
German Nullmeridian
- Nullmeridianreference line
Hindi प्रधान मध्याह्न रेखा
- प्रधान मध्याह्न रेखा (pradhān madhyāhna rekhā)reference line
Hungarian kezdő délkör
- kezdő délkörreference line
Italian meridiano zero
- meridiano zeroreference line
Portuguese meridiano primário, meridiano principal
- meridiano primárioreference line
- meridiano principalreference line
Romanian primul meridian
- primul meridianreference line
Russian Гри́нвичский меридиа́н
- Гри́нвичский меридиа́н (Grínvičskij meridián)reference line
Spanish meridiano cero
- meridiano ceroreference line
Swedish nollmeridian
- nollmeridianreference line
Vietnamese kinh tuyến gốc
- kinh tuyến gốcreference line
Welsh prif feridian
- prif feridianreference line
Cite this entry
prime meridian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/prime%20meridian
“prime meridian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/prime%20meridian. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “prime meridian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/prime%20meridian.
Source: prime meridian on Wiktionary, CC BY-SA 4.0.