正せい規き直ちょっ交こう系けいせいきちょっこうけいMeanings1nounorthonormal systemA set of vectors that are mutually orthogonal and each of unit length. Used in linear algebra and functional analysis.正せい規き直ちょっ交こう系けいは、ベクトル空くう間かんの基き底ていとしてよく用もちいられる。An orthonormal system is often used as a basis for a vector space.
