# versed sine

noun, Trigonometry
1.
one minus the cosine of a given angle or arc.
Abbreviation: vers.
Also called versine, versin.
Origin of versed sine
1590-1600
1590-1600
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for versed sine
Historical Examples
• This decimal is the versed sine of the arc of 3°15', or of 3.25°.

• The versed sine, or deflection of the middle of the catenary, was 50 feet.

Isambard Brunel
• If closer accuracy is demanded, we can attain it, by taking the versed sine for 1°, and multiplying this by 6².

• The measure of this deflection; the versed sine of the angle.

• The answer is, this measure or amount is the versed sine of the angle through which the body moves.

• The direction is toward the center, and the measure is the versed sine of the angle.

British Dictionary definitions for versed sine

## versed sine

noun
1.
a trigonometric function equal to one minus the cosine of the specified angle vers
Word Origin
C16: from New Latin sinus versus, from sine1 + versus turned, from vertere to turn
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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### Difficulty index for versed sine

Few English speakers likely know this word

### Word Value for versed

10
11
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