Definition of meridional in English:

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Pronunciation: /məˈrɪdɪən(ə)l/


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.
2Relating 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 (Of winds and air flow) aligned with lines of longitude: the spinning of a planet on its axis deflects the meridional winds sideways
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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.


A native or inhabitant of southern Europe, 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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Line breaks: me¦rid|ion¦al

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