biennial

adjective · nounB1

Định nghĩa theo từ loại

Tính từ

adjective

1.
(not comparable)Happening every two years.
2.
(not comparable)Lasting for two years.

Danh từ

noun

Plural noun:

biennials

1.
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.
2.
An event that happens every two years.

Từ liên quan

Đồng nghĩa

biannualbiennarybiennary uncommon; biannual proscribed

Cùng gốc / liên quan

biennialityquasi-biennial oscillationbienniumbienniallybiannual semiannualbiannual, semiannualannual triennial quadrennial quinquennial sexennial septennial octennial novennialdecennialvicennial centennialbicentennialquincentennial

Từ có viền nét liền là đã có mục từ; viền nét đứt là chưa có trong dữ liệu.

Nguồn gốc từ

Latin bienni(um) (two-year period) [from bis, bi- (twice) + annus (year)] + -al. bi-.