subtangent

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subtangent

(sʌbˈtændʒənt)
n
(Mathematics) geometry a segment of the x-axis lying between the x-coordinate of the point at which a tangent is drawn to a curve and the intercept of the tangent with the axis
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
All these exponential curves have the same subtangent equal with the most bigger thermal interrelation time constant and so, each element reaches own stationary overtemperature in the same time, although among elements could be a heating exchange.
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