hodograph
/'hɔdә^rɑ:f/
📖 中文释义
- [电] 速度图
📘 English Definition（英文释义）
- n. 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.