one minus the cosine of a given angle or arc. Abbreviation: vers.
English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
Origin of versed sine
First recorded in 1590–1600
Also called versine, versin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for versed sine
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