最終更新日：2025/11/30

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(geometry, non-Euclidean geometry) The amount by which the total of the interior angles of a triangle is less than 180° (π radians); the amount by which the total of the internal angles of a polygon is less than what would be expected on the Euclidean plane.

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angular defect

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元となった辞書の項目

angular defect

(geometry, non-Euclidean geometry) The amount by which the total of the interior angles of a triangle is less than 180° (π radians); the amount by which the total of the internal angles of a polygon is less than what would be expected on the Euclidean plane.

日本語の意味

幾何学（特に非ユークリッド幾何学）において、三角形や多角形の内部角の総和が、ユークリッド幾何学に基づく期待値（例：三角形の場合は180°）より不足している分を示す量。

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In hyperbolic geometry, the angular defect of a triangle is proportional to its area.

Google翻訳 / DeepL翻訳

双曲幾何学では、三角形の内角の和が180度（πラジアン）より小さい度合い（角欠損）はその面積に比例する。

意味（1）

(geometry, non-Euclidean geometry) The amount by which the total of the interior angles of a triangle is less than 180° (π radians); the amount by which the total of the internal angles of a polygon is less than what would be expected on the Euclidean plane.

意味（2）

Google翻訳 / DeepL翻訳

意味（3）

(dentistry, periodontics) The angular displacement of a tooth from vertical.

In most instances angular defects have accompanying infrabony pockets; infrabony pockets always have an underlying angular defect.

Google翻訳 / DeepL翻訳

angular defects

（ plural ）

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