perpendicular
英 [,p??p(?)n'd?kj?l?]美['p?p?n'd?kj?l?]
- adj. 垂直的，正交的；直立的；陡峭的
- n. 垂線；垂直的位置
英英釋意
- 1. a straight line at right angles to another line
- 2. a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting
- 3. a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
- 4. an extremely steep face