赤道

• Reading: せきどう
• Romaji: sekidou
• Kanji breakdown: 赤 (seki/aka) — red; 道 (dou/michi) — path, road
• Pronunciation: /se.ki.doː/

Meaning

Equator. The imaginary line around the middle of the Earth, equidistant from the poles.

A fundamental geography term dividing the Earth into the Northern and Southern hemispheres. Countries on or near the equator experience tropical climates. Commonly encountered in geography classes, world maps, and discussions about climate.

Examples

1. 赤道に近い国は一年中気温が高い。 Countries near the equator have high temperatures all year round.
2. 赤道は地球を北半球と南半球に分けている。 The equator divides the Earth into the Northern and Southern Hemispheres.
3. 船で赤道を越えたとき、みんなで記念写真を撮った。 When our ship crossed the equator, everyone took a commemorative photo.

Usage Guide

Context: geography, science, travel

Tone: neutral

Origin & History

Compound of 赤 (seki, red) and 道 (dou, path/road). The name derives from ancient Chinese astronomy where the celestial equator was associated with the colour red.

Cultural Context

Era: Classical

Generation: All ages

Social background: Universal