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Definition of spiral noun from the Oxford Advanced Learner's Dictionary

spiral

noun
 
/ˈspaɪrəl/
 
/ˈspaɪrəl/
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  1. a shape or design, consisting of a continuous curved line that winds around a central point, with each curve further away from the centre
    • The birds circled in a slow spiral above the house.
    • A spiral of smoke rose from the chimney.
    Topics Colours and Shapesc1
  2. a continuous harmful increase or decrease in something, that gradually gets faster and faster
    • How can we halt 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 also death spiral
    Extra Examples
    • The economy continued its downward spiral.
    • There is a risk that the policy may trigger an inflationary spiral.
    • to halt the vicious downward spiral of drug abuse
    • The book gives a harrowing account of a downward spiral of drink, drugs and despair.
    • The country is caught in a vicious spiral of rising wages and prices.
    Topics Change, cause and effectc1
    Oxford Collocations Dictionaryadjective
    • vicious
    • downward
    • upward
    verb + spiral
    • create
    • trigger
    • continue
    preposition
    • spiral of
    See full entry
  3. Word Originmid 16th cent. (as an adjective): from medieval Latin spiralis, from Latin spira ‘coil’, from Greek speira ‘a coil’.
See spiral in the Oxford Advanced American DictionarySee spiral in the Oxford Learner's Dictionary of Academic English
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