1. Midday; noon.
2. Hence: The highest point, as of success, prosperity, or the like; culmination. I have touched the highest point of all my greatness, And from that full meridian of my glory I haste now to my setting. (Shak)
The planes of the geographical and astronomical meridians coincide. Meridians, on a map or globe, are lines drawn at certain intervals due north and south, or in the direction of the poles. Calculated for, or fitted to, or adapted to, the meridian of, suited to the local circumstances, capabilities, or special requirements of. All other knowledge merely serves the concerns of this life, and is fitted to the meridian thereof. (Sir M. Hale) first meridian, the meridian from which longitudes are reckoned. The meridian of Greenwich is the one commonly employed in calculations of longitude by geographers, and in actual practice, although in various countries other and different meridians, chiefly those which pass through the capitals of the countries, are occasionally used; as, in France, the meridian of paris; in the united states, the meridian of Washington, etc. Guide meridian, a line, marked by monuments, running North and South through a section of country between other more carefully established meridians 8b8
called principal meridians, used for reference in surveying. Magnetic meridian, a great circle, passing through the zenith and coinciding in direction with the magnetic needle, or a line on the earth's surface having the same direction.
(Science: astronomy) Meridian circle, any astronomical instrument having a telescope that rotates in a meridian plane. Meridian of a globe, or brass meridian, a graduated circular ring of brass, in which the artificial globe is suspended and revolves.
Origin: F. Meridien. See Meridian.
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... this year however, I found a large active online community discussing this phenomenon. The sensation has been named "Autonomous Sensory Meridian Response" (ASMR) and is described as is a physical sensation characterized by a pleasurable tingling that typically begins in the head ...
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... is described for distinguishing between very similar diffraction patterns. There is strong intensity at 10 Å near the equator and at 5 Å near the meridian on the diffraction patterns. This intensity distribution is characteristic of α-helical rods running roughly in the direction of the fibre ...
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