perpendicular
英 [ˌpɜː.pənˈdɪk.jə.lər]
美 [ˌpɝː.pənˈdɪk.juː.lɚ]
- adj. 垂直的，正交的；直立的；陡峭的
- n. 垂线；垂直的位置
星级词汇:
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。
英语词源
- 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.
权威例句
- 1. The left wing dipped until it was perpendicular to the ground.
- 左翼下垂至与地面成90度角。
- 2. Are the lines perpendicular to each other?
- 这些直线相互垂直吗？
- 3. The two lines of bones are set perpendicular to one another.
- 这两排骨头相互垂直.
- 4. The plumbline is always perpendicular to the horizontal plane.
- 铅垂线总是垂直于水平面的.
- 5. Let AB be perpendicular to CD.
- 设AB垂直于CD.
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