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<p>Later, they came to mean a <a href="page.php?w=right_triangle">right triangle</a>. In the 12th century, the post-classical Latin word orthogonalis came to mean a right angle or something related to a right angle.</p>

<p><big>Mathematics</big></p>
<p><big>Physics</big></p>
<p><big>Optics</big></p>
<p>In <a href="page.php?w=optics">optics</a>, <a href="page.php?w=polarization_%28waves%29">polarization</a> states are said to be orthogonal when they propagate independently of each other, as in vertical and horizontal <a href="page.php?w=linear_polarization">linear polarization</a></p><p>
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