経度
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Noun referring to the angular distance east or west from the prime meridian. Used in geography and navigation to specify locations on Earth. Example: 『東京の経度は約139度です』 (Toukyou no keido wa yaku 139-do desu, 'Tokyo's longitude is about 139 degrees').
Theme
User and their friend Ken are planning a hiking trip in the mountains and discussing navigation using a map and GPS.
経度
けいど
longitude
Locations & NavigationGeography & Landmarks
Memory Hook
Imagine a globe with lines running north-south: 'longitude' measures east-west. Think of 'keido' (経度) as 'key to the globe' — it's the key coordinate for mapping locations!
Cultural Note
In Japan, 『経度』 (keido, 'longitude') is often taught in geography classes and used in weather forecasts to pinpoint locations. Japan's standard time zone is based on the 135°E longitude line, which passes near Akashi, Hyogo.
Forms
Base: 経度Noun referring to the angular distance east or west from the prime meridian. Used in geography and navigation to specify locations on Earth. Example: 『東京の経度は約139度です』 (Toukyou no keido wa yaku 139-do desu, 'Tokyo's longitude is about 139 degrees').