biennial

• Qualifie ce qui a lieu ou paraît tous les deux ans, ou qui dure deux ans.

Describes something that occurs every two years.

1. Plant life cycleB2formalscientific

   Describing a plant that completes its life cycle in two years, typically flowering and producing seeds in the second year before dying.

   Plante bisannuelle

   • Carrots and parsley are biennial plants.
   • The biennial flower bloomed in its second season.
   • Gardeners often treat biennials as annuals in colder climates.

   Antonymesannualperennial

2. Two-year durationB2formal

   Lasting for a period of two years.

   Qui dure deux ans

   • The biennial cycle of the plant requires careful planning.
   • Some crops have a biennial growth pattern.
   • The biennial nature of the species affects its cultivation.

   Synonymestwo-year

3. B2formal

   Occurring once every two years.

   biennal (tous les deux ans)

   • The biennial conference attracts experts from around the world.
   • They organize a biennial art exhibition in the city.
   • The committee holds biennial elections for its members.

   Synonymesbiyearly

• Nom désignant une plante qui accomplit son cycle de vie en deux ans, fleurissant et fructifiant généralement la deuxième année avant de mourir. Peut aussi désigner une manifestation, une exposition ou une publication qui a lieu tous les deux ans.

A noun referring to a plant that completes its life cycle in two years, typically flowering and fruiting in the second season before dying.

1. Plant life cycleB2formalscientific

   A plant that completes its life cycle in two years, typically germinating and growing leaves in the first year, then flowering and dying in the second year.

   Plante bisannuelle

   • Carrots and parsley are common biennials grown in gardens.
   • The biennial produced lush foliage in its first season before blooming the following spring.
   • Many biennials require a cold period to trigger flowering in their second year.

2. Life cycle durationB2formalscientific

   Describing a life cycle that spans two growing seasons, from germination to death.

   plante bisannuelle

   • The biennial nature of the plant means it will not flower until its second year.
   • Gardeners often treat biennials as annuals by replanting each year.
   • The study focused on the growth patterns of biennial species in temperate climates.

   Antonymesannualperennial

3. Frequency of occurrenceB2formal

   Happening once every two years.

   Bisannuel (fréquence)

   • The biennial conference attracts experts from around the world.
   • They organize a biennial art exhibition in the city.
   • The committee meets on a biennial basis to review progress.

   Synonymesbiyearly