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球台 (きゅうだい) Japanese meaning | Kotomora

球きゅう台だい

Meanings

1

noun

spherical segment; segment of a sphere

mathematics

A solid geometric figure formed by cutting a sphere with a pair of parallel planes. Technical term used in mathematics.

球きゅう台だいの体たい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 the volume of a spherical segment?

Kanji

球ball, sphere
台pedestal, a stand, counter for machines and vehicles

Similar words

球きゅう冠かん
球冠 is a spherical cap (one base), while 球台 is a spherical segment with two parallel bases.
球きゅう欠けつ
球欠 is another term for spherical segment, sometimes used interchangeably with 球台.

Etymology

Compound of 球 (sphere) and 台 (base, platform), referring to a sphere cut by two parallel planes, forming a solid with two circular bases.