Definition of meridional in English:


Syllabification: me·rid·i·o·nal
Pronunciation: /məˈridēənəl


  • 1Of or in the south; southern: the meridional leg of the journey
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    • The presence of ice sheets, together with the development of sea ice in the polar oceans, also resulted in an increase in meridional (north - south) temperature gradients.
    • Most European pre-Quaternary localities are positioned in a restricted latitudinal band, requiring dense and well-dated temporal and spatial records for meridional patterns to be detected.
  • 1.1Relating to or characteristic of the inhabitants of southern Europe, especially the south of France: she was meridional in temperament
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    • However, the zweite Frühstück (second breakfast) eaten in various German-speaking regions is an important northerly counterpart of this meridional institution.
  • 2Of or relating to a meridian: the meridional line of demarcation
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    • In the pre-equatorial zone, cells were densely packed, whereas in the equatorial zone, the cells were arranged in the form of distinct meridional rows.
    • The axial intensity distribution was calculated by integrating the region from 0.013 nm - 1 on either side of the meridional axis of the x-ray pattern.
    • Between the regions contacting leaf primordia, the peripheral zone cells are curved predominantly in the meridional direction.
  • 2.1 Meteorology (Chiefly of winds and air flow) aligned with lines of longitude.
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    • The first, known as the meridional flow pattern, circulates between the sun's equator and its poles over a period of 17 to 22 years and acts like a conveyor belt of sunspots.
    • This juxtaposition of high-pressure and low-pressure systems in similar latitudes causes much more meridional airflow than is normally experienced in similar latitudes in the southern hemisphere.
    • The timing of deglaciation shows a close correspondence to increased meridional overturning of the Atlantic thermohaline circulation and attendant warming of the North Atlantic Ocean immediately after the last glacial maximum.


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  • A native or inhabitant of the south, especially the south of France.


late Middle English: via Old French from late Latin meridionalis, formed irregularly from Latin meridies 'midday, south'.

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