sech

American  

Symbol, Mathematics.

1. hyperbolic secant.

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sech British  

/ ʃɛk, ˈsɛkˈeɪtʃ, sɛtʃ /

noun

1. hyperbolic secant; a hyperbolic function that is the reciprocal of cosh

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sech Scientific  

1. Abbreviation of hyperbolic secant

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Etymology

Origin of sech

sec(ant) + h(yperbolic)

Example Sentences

Tanh, sech, csch, and coth are pronounced “tanch,” “seech,” “coseech,” and “cotanch,” respectively.

From Textbooks • Mar. 30, 2016

Then, using the definitions for the other hyperbolic functions, we conclude that tanh x = 3/5, csch x = 4/3, sech x = 4/5, and coth x = 5/3.

From Textbooks • Mar. 30, 2016

After his first visit to the mess hall, he happily hollers, "Nevah had sech a fill a beans in mah whole lahf!"

From Time Magazine Archive

I always remembered Cold Sassy cause it ’as sech a funny name.”

From "Cold Sassy Tree" by Olive Ann Burns

I hev not felt in sech good spirrits sence the erly days when Tom and me allowed this war was goin to be pure fun.

From "Across Five Aprils" by Irene Hunt