cathetus


Also found in: Encyclopedia, Wikipedia.

cathetus

(ˈkæθɪtəs)
n
a straight line or radius positioned perpendicular to another line or radius
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
In the triangle of the IP two cathetus correspond to active and non-active instantaneous powers.
Book Six concludes the work by focusing on image distortion, applying the cathetus rule to an analysis of the various misperceptions that arise in the seven types of mirrors he studies in the two previous books.