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Definition of thinking cap noun from the Oxford Advanced Learner's Dictionary

thinking cap

noun
 
/ˈθɪŋkɪŋ kæp/
 
/ˈθɪŋkɪŋ kæp/
Idioms
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Idioms
put your thinking cap on
  1. (informal) to try to solve a problem by thinking about it
See thinking cap in the Oxford Advanced American Dictionary
previously
adverb
 
 
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B1
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