| 单词 |
umbonate |
| 释义 |
umbonate, a.|ˈʌmbəʊnət| [f. as prec. + -ate.] 1. Furnished with, rising up in, an umbo or boss. Chiefly Bot.
1829Loudon Encycl. Plants (1836) 987 Agaricus asper... Cap somewhat umbonate rough with acute warts. 1857Berkeley Cryptog. Bot. §532 In the other genus [Cryptangium].., the operculum is acuminate instead of umbonate. 1887W. Phillips Brit. Discomycetes 393 Spermogonia..punctiform, black, acutely umbonate. 2. Formed into an umbo or knob.
1891Cent. Dict. So ˈumbonated a. rare—1.
1752Hill Hist. Anim. 127 The fine, roundish, umbonated Cochlea. 1847Webster, Umbonated, in botany, having a boss or elevated point in the middle. |

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