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colatitude

[koh-lat-i-tood, -tyood]
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noun Astronomy, Navigation.
  1. the complement of the latitude; the difference between a given latitude and 90°.
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Origin of colatitude

First recorded in 1780–90; co- + latitude
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for colatitude

colatitude

noun
  1. astronomy nautical the complement of the celestial latitude
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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