en.wikipedia.org/wiki/Orthogonality

In mathematics, orthogonality is the relation of two lines at right angles to one another ... In certain cases, the word normal is used to mean orthogonal, particularly in the geometric sense as in the normal to a surface. ..... frequency spacing needed to make them orthogonal so that they do not interfere with each other.

mathworld.wolfram.com/Orthogonal.html

In elementary geometry, orthogonal is the same as perpendicular. Two lines or curves are orthogonal if they are perpendicular at their point of intersection.

mathworld.wolfram.com/OrthogonalVectors.html

(i.e., the vectors are perpendicular) are said to be orthogonal. ... From MathWorld --A Wolfram Web Resource. http://mathworld.wolfram.com/OrthogonalVectors.

searchstorage.techtarget.com/definition/orthogonal

Mar 10, 2015 ... Orthogonal concepts have origins in advanced mathematics, particularly ... Thus, motion by one vector along an orthogonal X-Y axis does not ...

www.mathopenref.com/orthogonal.html

Definition and meaning of the math word orthogonal. Includes a list of other ... Strictly speaking, the lines do not have to actually intersect. Two line segments can ...

stats.stackexchange.com/questions/12128/what-does-orthogonal-mean-in-the-context-of-statistics

In other contexts, orthogonal means "at right angles" or "perpendicular". ... mention that usually it is meant in the mathematical "linear algebra" sense of the word.

math.stackexchange.com/questions/1358485/what-does-it-mean-when-two-functions-are-orthogonal-why-is-it-important

The concept of orthogonality with regards to functions is like a more general way of talking about orthogonality with regards to vectors. Orthogonal ...

www.dictionary.com/browse/orthogonal

Orthogonal definition, Also, orthographic. pertaining to or involving right angles or perpendiculars: an orthogonal projection. See more. ... (maths). (of a pair of vectors) having a defined scalar product equal to zero; (of a pair of functions) having a defined product equal to zero ... How Do I Get a Word into the Dictionary ?

wiki.c2.com/?DefinitionOfOrthogonal

So orthogonal is a well understood metaphor, in the jargon of mathematics, ... The word "orthogonal" does not seem to add value as far as clarity goes. Are we ...