biennial

Từ điển WordNet v3.1 - WordNet Dictionary

I - 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
• Topics:
botany, phytology
• Hypernyms:
plant, flora, plant life

II - adjective

1. having a life cycle lasting two seasons
- a biennial life cycle
- parsnips and carrots are biennial plants often grown as annuals
• Syn:
two-year
• Ant:
perennial, annual
• Topics:
botany, phytology
2. occurring every second year
- they met at biennial conventions
• Syn:
biyearly
• Similar to:
periodic, periodical

• Từ đồng nghĩa / Synonyms:
  biyearly, two-year
• Từ trái nghĩa / Antonyms:
  perennial, annual, one-year