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Definition of semi-annual adjective from the Oxford Advanced Learner's Dictionary

semi-annual

adjective
 
/ˌsemi ˈænjuəl/
 
/ˌsemi ˈænjuəl/,
 
/ˌsemaɪ ˈænjuəl/
(North American English also semiannual)
(especially North American English)
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  1. produced or happening twice each year synonym biannual
    • The journal is published on a semi-annual basis.
    • the company's semiannual report
trait
noun
 
 
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B2
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