ragweed

nounB1

Định nghĩa theo từ loại

Danh từ

noun

Plural noun:

ragweeds

1.
(countable, uncountable)A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen that triggers hay fever.
Đồng nghĩa: ambrosia
2.
(countable, uncountable)A summer cypress, mock cypress (Bassia scoparia).

Từ liên quan

Đồng nghĩa

ambrosia

Cùng gốc / liên quan

common ragweedcoastal ragweed (Ambrosia hispida species)common ragweed (Ambrosia artemisiifolia species)common ragweed fruit fly (Euaresta bella species)Cuman ragweed (Ambrosia psilostachya species)dwarf bur ragweed (Ambrosia pumila species)flatspine burr ragweed (Ambrosia acanthicarpa species)giant ragweed (Ambrosia trifida species)great ragweed (Ambrosia trifida species)lacy ragweed (Ambrosia tenuifolia species)lanceleaf ragweed (Ambrosia bidentata species)minute ragweed borer (Epiblema minutana species)perennial ragweed (Ambrosia psilostachya species)Peruvian ragweed (Ambrosia peruviana species)ragweed gall mite (Aceria boycei species)ragweed borer moth (Epiblema strenuana species)ragweed flower moth (Schinia rivulosa species)ragweed plume moth (Adaina ambrosiae species)ragweed weevil (Lixus scrobicollis species)San Diego ragweed (Ambrosia pumila species)

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Nguồn gốc từ

ragwort weed Alteration of earlier ragwort; presumably ragged weed, with "rag" referring to the tattered appearance of the plant's leaves.