Rectangular
Part of speech: adjective
Definition: Having a shape like a rectangle.
Orthogonal
Part of speech: adjective
Definition: pertaining to right angles; perpendicular (to)Of two objects, at right angles; perpendicular to each other.# Of two functions, linearly independent; having a zero inner product.#: The normal vector and tangent vector at a given point are orthogonal.# Of a square matrix that is the inverse of its transpose# Of a linear transformation that preserves anglesstatistically independent, with reference to variatesAble to be treated separately.