late 15c., from adverb (late 14c.), from Old French perpendiculer, from Latin perpendicularis "vertical, as a plumb line," from perpendiculum "plumb line," from perpendere "ba [..]

at right angles to the horizon or another object.

Two lines are perpendicular if the angle between them is 90 degrees.

at a right angle to something.

intersecting at or forming right angles; "the axes are perpendicular to each other" a straight line at right angles to another line vertical: at right angles to the plane of [..]

adj. Straight up and down.

Two lines are perpendicular if the angle between them is 90 ° .

Two lines that form a right angle (90 degrees). Their slopes are negative reciprocals of each other. (The product of their slopes is -1)

Two or more lines which meet at right angles.

Directed straight downwards, or at right angle with some other body: e.g. the top line of a T is perpendicular to the vertical line.

   two lines are perpendicular if the angle between them is 90 degrees. pi

At right angles (90°) to a given line or plane.

At right angles (at 90 degrees).

(n) a straight line at right angles to another line(n) a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting(n) a cord from [..]

being at right angles

Two lines that intersect to form right angles.

Items are at right angle (90°), for example when the shaft and mounting bolts are mounted at a right angle.

An architectural style dating from the mid 14th to the late 16th century, characterised by mullions reaching to the top of windows, and by the development of fan vaulting. Represents the last part of the Gothic period.

the last of the three major styles of Gothic architecture in England, c. 1331-1530. It is characterized by comparatively simple decoration and soaring vertical lines, hence its name. It was preceded b [..]

A line perpendicular to the keel line, drawn tangent to the after contour of the stern.

at a right angle to the horizontal or the vertical

At right angles; normal.

A perpendicular line, plane, etc. A distinction is sometimes made between PERPENDICULAR and NORMAL, the former applying to a line at right angles to a straight line or plane, and the latter referring [..]

The style of Gothic architecture used in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting.

At an angle of 90°.

(geometry) At or forming a right angle (to). *la|perpendicul?ris, from/p??.p?.di.ku.?la?/|lang=pt *la|perpendicul?ris, from la|perpendiculum.

(architecture) Of a style of English Gothic architecture from the fourteenth and fifteenth centuries.

lang=en 1800s=1818 * '''1818''' — . ''''. *: I thought of pursuing the devil; but it would have been in vain, for another flash discovered him to me hanging among the rocks of the nearly perpendic [..]