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hodograph

[hod-uh-graf, -grahf] /ˈhɒd əˌgræf, -ˌgrɑf/
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.
Origin
1840-1850
1840-50; < Greek hod(ós) way + -o- + -graph
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hodographs'

hodograph

/ˈhɒdəˌɡrɑːf; -ɡræf/
noun
1.
a curve of which the radius vector represents the velocity of a moving particle
Derived Forms
hodographic, 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
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