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Hodograph vs Holograph - What's the difference?

hodograph | holograph |

As nouns the difference between hodograph and holograph

is that hodograph is a curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces while holograph is a hologram.

hodograph

English

Noun

(en noun)
  • A curve described by the moving extremity of a line the other end of which is fixed, this line being constantly parallel to the direction of motion of, and having its length constantly proportional to the velocity of, a point moving in any path; -used in investigations respecting central forces.
    • (Webster 1913)

    holograph

    English

    Noun

    (en noun)
  • A hologram.
  • (legal) A handwritten document, especially a letter, deed, or will, that is solely the work of the person whose signature it bears; a manuscript.