spiral noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of spiral noun from the Oxford Advanced American Dictionary

     

    spiral

     noun
    noun
    NAmE//ˈspaɪrəl//
     
     
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  1. 1a shape or design, consisting of a continuous curved line that winds around a central point, with each curve further away from the center The birds circled in a slow spiral above the house. A spiral of smoke rose from the chimney.
  2. 2a continuous harmful increase or decrease in something, that gradually gets faster and faster the destructive spiral of violence in the inner cities measures to control the inflationary spiral the upward/downward spiral of sales the vicious spiral of rising wages and prices
See spiral in the Oxford Advanced Learner's Dictionary