Meaning ofmeridianin English

Noun

1. a great circle on Earth's surface passing through poles
   The Earth's rotation determines the meridian lines.
2. a great circle on Earth's surface (geography)
   A meridian is an imaginary line that runs from the North Pole to the South Pole.
3. an imaginary circle on Earth through poles
   The concept of meridian is crucial in geography and navigation.
4. middle period of life; prime or fullest strength
   In traditional Chinese medicine, the meridian refers to the middle period of life.
5. the highest point of something; culmination or peak
   The city's population reached its meridian in the 1990s.
6. the highest point or peak (figurative)
   Her career was at its meridian when she received the award.
7. one's prime or peak period; mid-life
   The meridian of his life was marked by great achievements.
8. a line passing through a sphere's poles; a reference line
   The geographer used the meridian as a reference line to measure distances.
9. pathways for vital energy flow (acupuncture)
   The acupuncturist inserted needles along the meridian to restore energy balance.
10. pathways for chi or qi flow (in acupuncture)
    The acupuncturist identified the meridian points to treat the patient's condition.