円えん環かん面めんえんかんめんじ字FuriganaAudioMeanings1nountorus; anchor ringgeometry›Technical geometry term for the doughnut-shaped surface. The cross-reference トーラス is the more common loanword.See also: トーラス円えん環かん面めんは、円えんをその円えんと同どう一いつ平へい面めん上じょうにない軸じくの周まわりに回かい転てんさせることで得えられる。Break this sentence down in the analyzerA torus is obtained by rotating a circle around an axis that is not in the same plane as the circle.See all 2 example sentences ›