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球帯 (きゅうたい) Japanese meaning | Kotomora

球きゅう帯たい

Meanings

1

noun

spherical zone

mathematics

A mathematical term for the portion of a sphere's surface between two parallel planes. Used in geometry.

球きゅう帯たいの面めん積せきを求もとめる公こう式しきを覚おぼえていますか。
Do you remember the formula for finding the area of a spherical zone?

Kanji

球ball, sphere
帯sash, belt, obi

Similar words

球きゅう冠かん
球冠 (spherical cap) is the portion of a sphere cut off by a single plane, while 球帯 is the zone between two parallel planes.
球きゅう面めん
球面 (spherical surface) refers to the entire surface of a sphere, whereas 球帯 is a specific band on that surface.

Etymology

Compound of 球 (sphere) and 帯 (belt, zone). The term is a direct translation of the mathematical concept 'spherical zone'.