| 单词 | perpendicular | 
| 释义 | perpendicular1 of 2adjective  per·pen·dic·u·lar  ˌpər-pən-ˈdi-kyə-lər  1  a    : standing at right angles to the plane of the horizon : exactly upright    b    : being at right angles to a given line or plane   2   : extremely steep : precipitous   3  often capitalized  : of or relating to a medieval English Gothic style of architecture in which vertical lines predominate   4   : relating to, uniting, or consisting of individuals of dissimilar type or on different levels    perpendicularity   ˌpər-pən-ˌdi-kyə-ˈler-ə-tē noun -ˈla-rə-  perpendicularly   ˌpər-pən-ˈdi-kyə-lər-lē adverb perpendicular2 of 2 noun  : a line at right angles to a line or plane (as of the horizon)   perpendicular adjectiveas in verticalrising straight up river rafters staring awestruck at the canyon's nearly perpendicular cliffs Synonyms & Similar Words Relevance 
 Antonyms & Near Antonyms 
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