versed sine

noun Trigonometry.

one minus the cosine of a given angle or arc. Abbreviation: vers.

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Also called ver·sine or versin [vur-sahyn] /ˈvɜr saɪn/ .

Origin of versed sine

First recorded in 1590–1600

Words nearby versed sine

versant, versatile, vers de société, verse, versed, versed sine, verset, versicle, versicolor, versicolour, versicular
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for versed sine

versed sine

noun

a trigonometric function equal to one minus the cosine of the specified angleAbbreviation: vers

Word Origin for versed sine

C16: from New Latin sinus versus, from sine 1 + versus turned, from vertere to turn
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