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# meridian

«meridian» in Mova's school dictionary: **an imaginary line on the globe or a map that runs from…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (a meridian, meridians); adjective (meridian — rare)

### meaning for a pupil

1) A meridian is an imaginary line on the globe or a map that runs from the North Pole to the South Pole; lines of longitude are meridians. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#m1)

2) The Prime Meridian is the meridian at 0° longitude that passes through Greenwich in London, from which other places are measured east or west. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#m2)

3) (old, poetic) The meridian is the highest point of the sun at midday, or the peak of something. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#m3)

4) In Chinese medicine, meridians are believed paths of energy in the body (a belief, not proved by science). [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#m4)

### sense in the lessons

In geography and maths lessons, pupils use meridians (longitude) and parallels (latitude) as a grid to find places; time zones are based on meridians. At Greenwich, visitors stand with one foot each side of the Prime Meridian. Phrases: «the Prime Meridian», «Greenwich Meridian», «lines of longitude».

### examples

- The Prime Meridian passes through Greenwich. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#x1)
- Meridians run from pole to pole. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#x2)
- London is on the 0° meridian. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#x3)
- I stood with one foot in each hemisphere on the meridian line. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#x4)
- Lines of longitude are also called meridians. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#x5)
- Places east of the Prime Meridian are ahead in time. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/#x6)

### note

Countable. Meridians (longitude) run north–south; parallels (latitude) run east–west. In maths and time problems: the Earth turns 360° in 24 hours, so every 15° of longitude is about one hour of time difference.

### Trees and pragmatics

[Every meaning and example of «meridian» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/meridian/), each sentence with its dependency tree and frames.