Definition of 相対速度 (そうたいそくど)
そうたいそくど
                        相対速度
そうたいそくど
soutaisokudo
noun
•
        
relative velocity
Related Kanji
| 相 | inter-, mutual, together, each other, minister of state, councillor, aspect, phase, physiognomy | 
| 対 | vis-a-vis, opposite, even, equal, versus, anti-, compare | 
| 速 | quick, fast | 
| 度 | degrees, occurrence, time, counter for occurrences, consider, attitude |