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perpendicular 音标拼音: [p ,ɚpənd'ɪkjəlɚ] n. 垂直线,垂直的位置
a. 垂直的,直立的 垂直线,垂直的位置垂直的,直立的 perpendicular垂直的 perpendicular垂直 perpendicular adj 1: intersecting at or forming right angles; " the axes are perpendicular to each other" [ ant: { oblique}, { parallel}] 2: at right angles to the plane of the horizon or a base line; " a vertical camera angle"; " the monument consists of two vertical pillars supporting a horizontal slab"; " measure the perpendicular height" [ synonym: { vertical}, { perpendicular}] [ ant: { horizontal}, { inclined}] 3: extremely steep; " the great perpendicular face of the cliff" n 1: a straight line at right angles to another line 2: a Gothic style in 14th and 15th century England; characterized by vertical lines and a four- centered ( Tudor) arch and fan vaulting [ synonym: { perpendicular}, { perpendicular style}, { English- Gothic}, { English- Gothic architecture}] 3: a cord from which a metal weight is suspended pointing directly to the earth' s center of gravity; used to determine the vertical from a given point [ synonym: { plumb line}, { perpendicular}] 4: an extremely steep facePerpendicular \ Per` pen* dic" u* lar\, a. [ L. perpendicularis, perpendicularius: cf. F. perpendiculaire. See { Perpendicle}, { Pension}.] 1. Exactly upright or vertical; pointing to the zenith; at right angles to the plane of the horizon; extending in a right line from any point toward the center of the earth. [ 1913 Webster] 2. ( Geom.) At right angles to a given line or surface; as, the line ad is perpendicular to the line bc. [ 1913 Webster] { Perpendicular style} ( Arch.), a name given to the latest variety of English Gothic architecture, which prevailed from the close of the 14th century to the early part of the 16th; -- probably so called from the vertical style of its window mullions. [ 1913 Webster]
Perpendicular \ Per` pen* dic" u* lar\, n. 1. A line at right angles to the plane of the horizon; a vertical line or direction. [ 1913 Webster] 2. ( Geom.) A line or plane falling at right angles on another line or surface, or making equal angles with it on each side. [ 1913 Webster] 49 Moby Thesaurus words for " perpendicular": air line, axis, azimuth circle, beeline, chord, diagonal, diameter, direct line, directrix, edge, erect, great- circle course, normal, orthodiagonal, orthogonal, orthometric, plumb, plunging, precipitous, radius, radius vector, rectangular, right angle, right line, right- angle, right- angled, right- angular, secant, segment, sheer, shortcut, side, stand- up, steep, straight, straight course, straight line, straight stretch, straight- up, straight- up- and- down, straightaway, streamline, tangent, transversal, up- and- down, upright, vector, vertical, vertical circle
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