What is another word for surface normal?
Pronunciation: [sˈɜːfɪs nˈɔːmə͡l] (IPA) 
Surface normal is a term commonly used in engineering, physics, and computer graphics to describe the perpendicular direction of a surface. However, there are several synonyms or alternative terms that can be used instead of surface normal, including surface normal vector, normal line, unit normal, perpendicular line, and right-angle vector. These synonyms refer to the same concept of the perpendicular direction of a surface and are often used interchangeably in various fields of study. Regardless of the term used, understanding the concept of surface normal is crucial for solving various problems and designing various structures, from 3D modelling to architectural designs.
