| 单词 | perpendicular |
| 释义 | Word Frequency perpendicular(ˌpɜːpənˈdɪkjʊlə) adjective 1. Also: normal at right angles to a horizontal plane 2. denoting, relating to, or having the style of Gothic architecture used in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting 3. upright; vertical noun 4. geometry a line or plane perpendicular to another 5. any instrument used for indicating the vertical line through a given point 6. mountaineering a nearly vertical face Derived forms perpendicularity (ˌpɜːpənˌdɪkjʊˈlærɪtɪ) noun perpendicularly (ˌperpenˈdicularly) adverb Word origin C14: from Latin perpendiculāris, from perpendiculum a plumb line, from per- through + pendēre to hang |
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