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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 hodograph
 速度圖

From: Webster's Revised Unabridged Dictionary (1913)

 Hod·o·graph n.  Math. 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.
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