Explore Words Kanji Grammar Guides

Copyright © 2026 Kotomora. All Rights Reserved.

Get the Kotomora apps for iOS and Android.

Explore Words Kanji Grammar Guides About Support Privacy

Copyright © 2026 Kotomora. All Rights Reserved.

円環体 (えんかんたい) Japanese meaning | Kotomora

円えん環かん体たい

え

ん

か

ん

た

い

Meanings

1

solid torus

Technical term in geometry for a solid torus, a three-dimensional shape formed by revolving a disk around a coplanar axis.

円えん環かん体たいの体たい積せきを計けい算さん

する

公こう

式しき

を

覚おぼ

え

た

。

I memorized the formula for calculating the volume of a solid torus.

Kanji

円circle, yen, round
環ring, circle, loop
体body, substance, object

Built from

円えん環かん+体たい

Etymology

Compound of 円環 (enkan, 'circle' or 'ring') and 体 (tai, 'body'), literally 'ring body'. The exact historical derivation is uncertain; the term is a modern technical coinage for the geometric solid torus.