versed sine


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

Origin of versed sine

1
First recorded in 1590–1600
  • Also called ver·sine or versin [vur-sahyn] /ˈvɜr saɪn/ .

Words Nearby versed sine

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British Dictionary definitions for versed sine

versed sine

noun
  1. a trigonometric function equal to one minus the cosine of the specified angle: Abbreviation: vers

Origin of versed sine

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

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