dictionary.reference.com/browse/orthogonal

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/OrthogonalVectors.html

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

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

In other contexts, orthogonal means "at right angles" or "perpendicular". ... I was also interested to know how does statistical independence satisfy this property?

www.quora.com/What-does-orthogonal-mean-in-basic-terms

I know a little about econometrics and statistics. Most of what I understands ... Another way to think about this: In the book “Flatland”, a mathematical fable ...

www.vocabulary.com/dictionary/orthogonal

Two lines that are orthogonal are perpendicular or intersecting at a right angle, ... it also describes events that are statistically independent, or do not affect one ...

searchstorage.techtarget.com/definition/orthogonal

The orthogonal definition also has been extended to general use, meaning the ... Thus, motion by one vector along an orthogonal X-Y axis does not generate ...

www.merriam-webster.com/dictionary/orthogonal

Define orthogonal: intersecting or lying at right angles — orthogonal in a ... in the examples do not represent the opinion of Merriam-Webster or its editors.