n. 垂直线, 垂直的位置, 直立(姿势), 刚正, 垂规

a. 垂直的, 直立的, 陡峭的

[机] 垂直, 垂线; 垂直的, 直立的

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.

2. (Geom.) At right angles to a given line or surface; as,
the line ad is perpendicular to the line bc.

{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.


Perpendicular \Per`pen*dic"u*lar\, n.
1. A line at right angles to the plane of the horizon; a
vertical line or direction.

2. (Geom.) A line or plane falling at right angles on another
line or surface, or making equal angles with it on each
side.