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hodograph

[hod-uh-graf, -grahf]
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noun Mathematics, Mechanics.
  1. the figure described by the extremity of a vector that has a fixed origin and a position vector equal to the velocity of a moving particle.
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Origin of hodograph

1840–50; < Greek hod(ós) way + -o- + -graph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hodograph

hodograph

noun
  1. a curve of which the radius vector represents the velocity of a moving particle
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Derived Formshodographic, adjective

Word Origin

C19: from Greek hodos way + -graph
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