Orthogonal
/ɔːˈθɒɡənəl/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:14 ptsWWF:16 pts10 letters
Definition of Orthogonal
noun
- An orthogonal line
adjective
- Of two objects, at right angles; perpendicular to each other.
"A chord and the radius that bisects it are orthogonal."
- Of a pair of vectors: having a zero inner product; perpendicular.
"The normal vector and tangent vector at a given point are orthogonal."
- Of a square matrix: such that its transpose is equal to its inverse.
- Of a linear transformation: preserving its angles.
- Of grid graphs, board games and polyominoes: vertical or horizontal but not diagonal.