meridian

US /məˈrɪd.i.ən/
UK /məˈrɪd.i.ən/
"meridian" picture
1.

子午線

a circle of constant longitude passing through a given place on the earth's surface and the terrestrial poles

:
The Prime Meridian passes through Greenwich, London.
本初子午線穿過倫敦格林威治。
Navigators use meridians to determine longitude.
航海家使用子午線來確定經度。
2.

鼎盛時期, 頂點

a period of greatest splendor, prosperity, or power

:
The empire reached its meridian during the 18th century.
該帝國在18世紀達到了鼎盛時期
She is now in the meridian of her career.
她現在正處於事業的鼎盛時期