Orthogonality is a technical term that refers to the relationship between two lines or planes that intersect at a 90-degree angle. Synonyms for orthogonality include perpendicularity, right angles, squareness, and rectitude. These words describe the same concept of two objects intersecting at a 90-degree angle. In mathematics, orthogonality is an important principle that helps to define geometric shapes and solve problems in trigonometry and calculus. In computer science, orthogonality refers to the ability of individual functions or components to work independently of each other. Overall, the concept of orthogonality is essential in many fields of study and has numerous applications across diverse industries.