angular defect

名词 n.
中文释义

英文释义

名词 n.
  1. The amount by which the sum of the interior angles of a triangle is less than 180° (π radians); the amount by which the sum of the internal angles of a polygon is less than what would be expected on the Euclidean plane.
    — Prop. XVI. If the angular defects of two triangles are equal, the areas of the triangles are equal.
  2. The amount by which the total of the angles around a vertex of a polyhedron is less than 360° (2π radians).
    — The angular defect clearly has something to do with curvature, because the larger it is, the more pointed the surface is at the vertex.
  3. 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.

词形变化

angular defects plural
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