[ awr-thuh-nawr-muh l ]
/ ˌɔr θəˈnɔr məl /
(of a system of functions) normal; normalized.
(of a set of vectors) having the properties that any two vectors are perpendicular and that each vector has a length of one unit.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019