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

corollary

noun
 
/kəˈrɒləri/
 
/ˈkɔːrəleri/
(formal or specialist)
(plural corollaries)
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  1. corollary (of/to something) a situation, an argument or a fact that is the natural and direct result of another one
    • In rural areas, the corollary of increased car ownership has been a rapid decline in the provision of public transport.
    Topics Change, cause and effectc2, Opinion and argumentc2
    Word Originlate Middle English: from Latin corollarium ‘money paid for a garland or chaplet; gratuity’ (in late Latin ‘deduction’), from corolla, diminutive of corona ‘wreath, crown, chaplet’.
See corollary in the Oxford Advanced American Dictionary
hat-trick
noun
 
 
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