Definition of 共通接線 (きょうつうせっせん)
きょうつうせっせん
                        共通接線
きょうつうせっせん
kyoutsuusessen
noun
•
        
common tangent(mathematics)
Related Kanji
| 共 | together, both, neither, all, and, alike, with | 
| 通 | traffic, pass through, avenue, commute, counter for letters, notes, documents, etc. | 
| 接 | touch, contact, adjoin, piece together | 
| 線 | line, track |