| 单词 |
bicuspid |
| 释义 |
bicuspid, a. and n.|baɪˈkʌspɪd| [f. L. bi- two + cuspid-em point, spike, cusp.] A. adj. Having two cusps or points. B. n. A premolar tooth in man. biˈcuspidate [see -ate]= prec. adj.
1836–9Todd Cycl. Anat. & Phys. II. 533/1 From being more decidedly divided into two lips [this valve of the heart] is termed bicuspid. 1873Mivart Elem. Anat. vii. 252 The fourth and fifth teeth of the lower jaw are called bicuspid molars. 1878T. Bryant Pract. Surg. I. 579 The enamel on the bicuspid. 1847Craig, Bicuspidate, having two points. 1870Hooker Stud. Flora 417 Beak bicuspidate. |

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