| 单词 | torus |
| 释义 | torus /tawr"euhs, tohr"-/, n. , pl. tori /tawr"uy, tohr"uy/. 1. Archit. a large convex molding, more or less semicircular in profile, commonly forming the lowest molding of the base of a column, directly above the plinth, sometimes occurring as one of a pair separated by a scotia and fillets. See illus. at molding and column. 2. Geom. a. a doughnut-shaped surface generated by the revolution of a conic, esp. a circle, about an exterior line lying in its plane. b. the solid enclosed by such a surface. 3. Bot. a. the receptacle of a flower. b. a thickening of the wall membrane in the bordered pits occurring in the tracheid cells of the wood of many conifers. 4. Anat. a rounded ridge; a protuberant part. [1555-65; < L: lit., strand, thong, raised ridge] |
| 随便看 |
英语词典包含168451条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。