The sharp edge formed by the meeting of two flat or curved surfaces.
单词 | θ101486 |
释义 | the world > space > relative position > condition of being external > edge, border, or margin > [noun] > formed by meeting of two surfaces (4) arris1437 The sharp edge formed by the meeting of two flat or curved surfaces. piend1715 The edge or angle formed by the meeting of two surfaces; a peak or apex; spec. any of the sloping ridges at the corners of a hipped or pavilion… edge1823 The line in which two surfaces of a solid object meet abruptly; spec. in Geometry, the line of meeting of two faces of a polyhedron. knife-edge1871 transferred and figurative, esp. a sharp crest of rock, ice, sand, or the like. Also attributive, as knife-edge ridge. |
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