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

catatonia

noun
 
/ˌkætəˈtəʊniə/
 
/ˌkætəˈtəʊniə/
[uncountable] (medical)
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  1. a condition resulting from a mental illness, especially schizophrenia, in which a person does not move for long periodsTopics Mental healthc2
    Word Originlate 19th cent.: from cata- ‘badly’ + Greek tonos ‘tone or tension’.
See catatonia in the Oxford Advanced American Dictionary
ripple effect
noun
 
 
From the Topic
Change, cause and effect
C2
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