biennial adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of biennial adjective from the Oxford Advanced American Dictionary

biennial

adjective

NAmE//baɪˈɛniəl//

[usually before noun]

happening once every two years a biennial convention

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biennially

adverb see annual, biannualSee biennial in the Oxford Advanced Learner's Dictionary

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