perpendicular
英 [,pɜːp(ə)n'dɪkjʊlə]
美 ['pɝpən'dɪkjəlɚ]
- adj. 垂直的，正交的；直立的；陡峭的
- n. 垂线；垂直的位置
中文词源
perpendicular 垂直的per-,整个的，-pend,悬挂，词源同depend,pendulum.引申词义垂直的。
英文词源
- perpendicular
- perpendicular: see pendulum
- perpendicular (adj.)
- late 15c., from adverb (late 14c.), from Old French perpendiculer, from Latin perpendicularis "vertical, as a plumb line," from perpendiculum "plumb line," from perpendere "balance carefully," from per- "thoroughly" (see per) + pendere "to weigh, to hang" (see pendant). As a noun from 1570s. Related: Perpendicularly; perpendicularity.
双语例句
- 1. The left wing dipped until it was perpendicular to the ground.
- 左翼下垂至与地面成90度角。
来自柯林斯例句
- 2. Are the lines perpendicular to each other?
- 这些直线相互垂直吗？
来自《权威词典》
- 3. The two lines of bones are set perpendicular to one another.
- 这两排骨头相互垂直.
来自《简明英汉词典》
- 4. The plumbline is always perpendicular to the horizontal plane.
- 铅垂线总是垂直于水平面的.
来自《现代英汉综合大词典》
- 5. Let AB be perpendicular to CD.
- 设AB垂直于CD.
来自《现代汉英综合大词典》