perpendicular may stress the straightness of a line making a right angle with any other line, not necessarily a horizontal one.

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.

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 …

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 …

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

Illustrated definition of Perpendicular: At right angles (90deg;) to. The symbol is perp; Try for yourself:

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.

Lines, rays, line segments, and planes can be perpendicular. Perpendicular lines, rays, and line segments are lines or parts of lines that meet or cross at right angles. If lines l and m are …

Define perpendicular. perpendicular synonyms, perpendicular pronunciation, perpendicular translation, English dictionary definition of perpendicular. adj. 1. Mathematics Intersecting at or …

Definition of perpendicular adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.