(ちへいせん)

ちへいせん
noun
horizon
1. horizon (on land)
The apparent line where the earth's surface and the sky seem to meet, especially as seen from flat land or plains.
地平線(ちへいせん)()える。
I can see the horizon.
地平線(ちへいせん)太陽(たいよう)(しず)んだ。
The sun set on the horizon.
地平線(ちへいせん)()こうに(なに)があるのだろう。
I wonder what lies beyond the horizon.
草原(そうげん)では地平線(ちへいせん)がよく()える。
You can see the horizon clearly on the grassland.
地平線(ちへいせん)から朝日(あさひ)がゆっくり(のぼ)ってきた。
The morning sun slowly rose from the horizon.

地平線(ちへいせん) refers specifically to the horizon as seen over land — the line where flat ground meets the sky. Combines () (earth) + (へい) (flat) + (せん) (line).

COMMON COLLOCATIONS:

  • 地平線(ちへいせん)()える (the horizon is visible)
  • 地平線(ちへいせん)(しず)む (to set on the horizon)
  • 地平線(ちへいせん)()こう (beyond the horizon)
  • 地平線(ちへいせん)から(のぼ)る (to rise from the horizon)

LAND VS. SEA HORIZON:

  • 地平線(ちへいせん): horizon over land (() = earth/ground)
  • 水平線(すいへいせん): horizon at sea ((すい) = water)

This distinction does not exist in English, which uses "horizon" for both.

USAGE:
Best visible in flat landscapes like 草原(そうげん) (grasslands), 砂漠(さばく) (deserts), and 平野(へいや) (plains). In mountainous Japan, the 地平線(ちへいせん) is rarely visible, making it a somewhat romantic or literary image.