Definition of 高高度飛行 (こうこうどひこう)
こうこうどひこう
                        高高度飛行
こうこうどひこう
koukoudohikou
noun
•
                
high-altitude flying
Other readings:
                高々度飛行【こうこうどひこう】
                Related Kanji
| 高 | tall, high, expensive | 
| 度 | degrees, occurrence, time, counter for occurrences, consider, attitude | 
| 飛 | fly, skip (pages), scatter | 
| 行 | going, journey, carry out, conduct, act, line, row, bank |