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 ain’t never see sech a one for cleanin’ house as Miss Love.”

From "Cold Sassy Tree" by Olive Ann Burns