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.

PERPENDICULAR definition: vertical; straight up and down; upright. See examples of perpendicular used in a sentence.

Perpendicular is also used as a noun: a perpendicular is a line which is perpendicular to a given line or plane. Perpendicularity is one particular instance of the more general mathematical concept of …

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.

Oct 23, 2025 · In math, the term perpendicular is used when we study lines. Perpendicular lines are lines that meet at a right angle. A right angle measures exactly 90 degrees. When two lines intersect …

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.

Definition of perpendicular adjective from the Oxford Advanced Learner's Dictionary. perpendicular (to something) forming an angle of 90° with another line or surface; vertical and going straight up. Are …