meridian

名词 meridian:

1. the highest level or degree attainable; the highest stage of development
   同义词：acme, height, elevation, peak, pinnacle, summit, superlative, tiptop, top
2. a town in eastern Mississippi
3. an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator
   同义词：line of longitude

形容词 meridian:

1. of or happening at noon
2. being at the best stage of development- Robert Browning
   同义词：prime

1. P.M. is short for post meridian. P.M.
   是下午的缩写。
2. The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe.
   纬度地球赤道北或南的角距离，例如在地图或地球仪上沿着子午线用度数测量
3. He is at the meridian of life.
   他正值壮年。

me.rid.i.an

n.Abbr. m.,M.,mer.（名词）缩写 m.,M.,mer.

An imaginary great circle on the earth`s surface passing through the North and South geographic poles. All points on the same meridian have the same longitude.
过两极的大圆：一个通过地球表面南北两极的假想线圈。同一子午线上的所有点都具有相同的经度
Either half of such a great circle from pole to pole.
子午线：从极点到极点的大线圈的一半
Astronomy A great circle passing through the two poles of the celestial sphere and the zenith of a given observer.
【天文学】 天体的经线：通过天体上两极和一假定观测物天顶的大圈
Mathematics
【数学】
A curve on a surface of revolution, formed by the intersection of the surface with a plane containing the axis of revolution.
回转面曲线：回转面与通过旋转轴的平面相交而形成的位于回转面上的曲线
A plane section of a surface of revolution containing the axis of revolution.
切平面：通过旋转轴回转面的部分平面
Any of the longitudinal lines or pathways on the body along which the acupuncture points are distributed.
经脉；经络：任一分布在身体上针炙点所呈现的纵向线或轨迹
Archaic
【古语】
The highest point in the sky reached by the sun or another celestial body; a zenith.
天顶：太阳或别的天体在天空中所达到的最高点；天顶
Noon.
正午
The highest point or stage of development; peak:
鼎盛，颠峰：发展的最高点或最高阶段；顶峰：
例句：
.Men come to their meridian at various periods of their lives.(John Henry Newman)
.男人在其一生中达到全盛时期的时间是不同的.(约翰·亨利·纽曼)

Upper Midwest See median strip See Regional Note at neutral ground
【中西部偏北】 参见 median strip参见 neutral ground
adj.（形容词）
Of or relating to a meridian; meridional.
经线的，子午线的：子午线的或与子午线有关的；经线的
Of or at midday:
正午的或在正午的：
例句：
the meridian hour.
正午时刻

Of, relating to, or constituting the highest point, as of development or power:
顶点的：顶点的、与顶点有关的或构成顶点的，如发展或权力：
例句：
the empire in its meridian period.
处于全盛时期的帝国

来源：
Middle English
中古英语
from Old French [midday]
源自 古法语 [正午]
from Latin merodi3nus [of midday]
源自 拉丁语 merodi3nus [正午的]
from merodiôs [midday]
源自 merodiôs [正午]
from merodiô [at midday]
源自 merodiô [在正午]
from Old Latin *mediei diô
源自 古拉丁语 *mediei diô
*mediei [dative (locative) of] medius [middle] * see medhyo-
*mediei [] medius的与格（位置格） [中间的] *参见 medhyo-
diô [dative of] diôs [day] * see deiw-
diô [] diôs的与格 [白天] *参见 deiw-