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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 face

Perpendicular \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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  • Perpendicular - Wikipedia
    A line is said to be perpendicular to a plane if it is perpendicular to every line in the plane that it intersects This definition depends on the definition of perpendicularity between lines
  • PERPENDICULAR Definition Meaning - Merriam-Webster
    The meaning of PERPENDICULAR is standing at right angles to the plane of the horizon : exactly upright How to use perpendicular in a sentence Synonym Discussion of Perpendicular
  • What Does Perpendicular Mean? A Complete Overview
    In this guide, we’ll take a closer look at what perpendicular means in math and geometry through clear definitions, easy-to-follow visuals, side-by-side comparisons, a fun little quiz, and answers to the most common questions students ask
  • What are Perpendicular Lines? Definition, Properties, Examples
    A perpendicular is a line that intersects another line at a right angle Learn the definition of perpendicular, symbol, properties, real life examples, and more
  • Meaning, Examples | Perpendicular Lines Definition - Cuemath
    A perpendicular is a straight line that makes an angle of 90 ° with another line 90 ° is also called a right angle and is marked by a little square between two perpendicular lines as shown in the figure given below
  • PERPENDICULAR | English meaning - Cambridge Dictionary
    PERPENDICULAR definition: 1 at an angle of 90° to a horizontal line or surface: 2 at an angle of 90° to another line or… Learn more
  • PERPENDICULAR Definition Meaning | Dictionary. com
    PERPENDICULAR definition: vertical; straight up and down; upright See examples of perpendicular used in a sentence
  • Perpendicular Lines - GeeksforGeeks
    Understanding the properties and relationships of perpendicular lines helps in solving complex geometric problems In this article, we will explore the definition, properties, and applications of perpendicular lines, along with their importance and uses in both academics and real life
  • Perpendicular and Parallel - Math is Fun
    Lines are parallel if they are always the same distance apart (called "equidistant"), and will never meet They also point in the same direction Just remember: Always the same distance apart and never touching The red line and blue line are parallel in both these examples: Try it yourself:
  • Perpendicularity | GD T Basics
    Description: Surface: Perpendicularity is a fairly common symbol that requires the referenced surface or line to be perpendicular or 90° from a datum surface or line Perpendicularity can reference a 2D line, but more commonly it describes the orientation of one surface plane perpendicular to another datum plane The tolerance of the perpendicularity callout indirectly controls the 90° angle





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