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[ UK /mɛɹˈɪdi‍ən/ ]
[ US /mɝˈɪdiən/ ]
NOUN
  1. the highest level or degree attainable; the highest stage of development
    at the height of her career
    the peak of perfection
    his landscapes were deemed the acme of beauty
    at the top of his profession
    summer was at its peak
    ...catapulted Einstein to the pinnacle of fame
    so many highest superlatives achieved by man
    the summit of his ambition
    the artist's gifts are at their acme
  2. an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator
    all points on the same meridian have the same longitude
ADJECTIVE
  1. being at the best stage of development
    our manhood's prime vigor
  2. of or happening at noon
    meridian hour

How To Use meridian In A Sentence

  • The placement of the prime meridian is a purely political decision.
  • Paris was not the site of the world's first prime meridian.
  • That's the instant the sun is aligned with the degree line of longitude, or the prime meridian - also called the Greenwich Meridian.
  • By agreement, the longitude passing through Greenwich of Observatory is called the prime meridian.
  • In the following year they surveyed the perpendicular to the meridian east of Paris, triangulating the area between Paris and Strasbourg.
  • How Mercator did this is as follows: the meridians and parallels must be arranged so that the loxodromes cut the meridians at constant angles.
  • The attraction of the time theme inspired its creators to look to Greenwich and its meridian line.
  • In the northern part of the cordiform World map he wrote the name Asia on each side of the central meridian to cover both present-day North America and Asia which were represented as one continent.
  • The body's energy pathways, called meridians, are connected to a corresponding point on the hands and feet.
  • Found it to be in south latitude 28 degrees 55 minutes by meridian altitudes of sun, Aquilae (Altair), and Lyra, and in longitude about 121 degrees 10 minutes East. Explorations in Australia, Illustrated,
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