Definition of 天文単位 (てんもんたんい)
てんもんたんい
                        天文単位
てんもんたんい
tenmontan-i
noun
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astronomical unit, AU(astronomy term)
Related Kanji
| 天 | heavens, sky, imperial | 
| 文 | sentence, literature, style, art, decoration, figures, plan, literary radical (no. 67) | 
| 単 | simple, one, single, merely | 
| 位 | rank, grade, throne, crown, about, some |