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"a biennial life cycle" "parsnips and carrots are biennial plants often grown as annuals"adjectivehaving a life cycle lasting two seasons
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"they met at biennial conventions"adjectiveoccurring every second year
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noun(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second seasontype of:
Examples of biennial
- "a biennial life cycle"
- "parsnips and carrots are biennial plants often grown as annuals"
- "they met at biennial conventions"