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[hod-uh-graf, -grahf] /ˈhɒd əˌgræf, -ˌgrɑf/
noun, Mathematics, Mechanics
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 of hodograph
1840-50; < Greek hod(ós) way + -o- + -graph Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for hodograph
  • It is usually best viewed with a hodograph, as discussed later.
  • Plotted wind barbs are in kt, with time increasing from right to left, and each hodograph is for the latest time in each plot.
  • Other sampling techniques include a sounding and hodograph viewing mode.
British Dictionary definitions for hodograph


/ˈhɒdəˌɡrɑːf; -ɡræf/
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
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