 biennial |
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| 1. | [ adjective ] (botany) having a life cycle lasting two seasons | |
| Synonyms: | two-year | |
| Examples: | "a biennial life cycle" "parsnips and carrots are biennial plants often grown as annuals" |
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| Related terms: | perennial annual botany | |
| 2. | [ adjective ] occurring every second year | |
| Synonyms: | biyearly | |
| Examples: | "they met at biennial conventions" |
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| Related terms: | year year | |
| 3. | [ 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 season | |
| Related terms: | plant | |
| Similar spelling: |
biennially biannual biannually |
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