Definition of 回転半径 (かいてんはんけい)
かいてんはんけい
                        回転半径
かいてんはんけい
kaitenhankei
noun
•
        
radius of gyration
Related Kanji
| 回 | -times, round, game, revolve, counter for occurrences | 
| 転 | revolve, turn around, change | 
| 半 | half, middle, odd number, semi-, part- | 
| 径 | diameter, path, method |