| 单词 |
obtriangular |
| 释义 |
obtriangular, a. Nat. Hist.|ɒbtraɪˈæŋgjʊlə(r)| [ob- 2.] Triangular in form, with the apex downwards, or at the base of the organ or part.
1826Kirby & Sp. Entomol. III. xxxii. 324 The fourth joint is very large and obtriangular. |

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