Medical Dictionary
Main Entry:
or·thog·o·nal Pronunciation:
or-'thäg-&n-&l Function:
adjective 1 a : lying or intersectingat right angles
b : being, using, or made with three ECG leads whose axes are perpendicular to each other and to the frontal, horizontal, and sagittal axes of the body
orthogonal leads were recorded simultaneously on magnetic tape —Massoud Nemati et al>
2 : statistically independent orthogonal … factors —O. D. Duncan>