hyperbolic cotangent; a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh
Word Origin for coth
C20: from cot (angent) + h (yperbolic)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Abbreviation of hyperbolic cotangent
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