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haversine

[ hav-er-sahyn ]
/ ˈhæv ərˌsaɪn /
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noun Trigonometry.

one half the versed sine of a given angle or arc.

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Origin of haversine

First recorded in 1870–75; ha(lf) + ver(sed) + sine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for haversine

haversine
/ (ˈhævəˌsaɪn) /

noun

obsolete half the value of the versed sine

Word Origin for haversine

C19: combination of half + versed + sine 1
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
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