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2017 Word of the Year

direction cosine

noun, Mathematics.
1.
the cosine of the angle made by a given vector and a coordinate axis.
Compare direction angle.
Origin of direction cosine
1890-1895
First recorded in 1890-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Word Value for direction

12
14
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