| 单词 |
pinnation |
| 释义 |
pinnation Nat. Hist.|pɪˈneɪʃən| [f. L. pinnāt-us pinnate: see -ation.] Pinnate condition or formation; division into pinnæ (pinna2).
1875Bennett & Dyer Sachs' Bot. 350 When the pinnation is compound. 1882Vines Sachs' Bot. 212 The pinnation, like the formation of lobes, may be repeated. |

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