biennial

== English == === Etymology === Borrowed from Latin bienni(um) (“two-year period”) [from bis, bi- (“twice”) + annus (“year”)] + -al (suffix forming adjectives). By surface analysis, bi- +‎ -ennial. === Pronunciation === IPA(key): /baɪˈɛn.i.əl/ Rhymes: -ɛniəl === Adjective === biennial (not comparable) Happening every two years. Lasting for two years. ==== Synonyms ==== biennary (uncommon); biannual (proscribed) ==== Derived terms ==== ==== Related terms ==== biennium biennially biannual, semiannual ==== Translations ==== === Noun === biennial (plural biennials) A plant that requires two years to complete its life-cycle, germinating and growing in its first year, then producing its flowers and fruit in its second year, after which it usually dies. An event that happens every two years. ==== Translations ==== ==== See also ==== annual, triennial, quadrennial, quinquennial, sexennial, septennial, octennial, novennial, decennial, vicennial, centennial, bicentennial, quincentennial, millennial, perennial