- rag·weed
- /ˈrægˌwiːd/ noun [noncount]: any one of a group of North American plants that release a lot of pollen into the air and that can cause allergic reactions in some people
Useful english dictionary. 2012.
rag·weed
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rag|weed — «RAG WEED», noun. 1. any one of several coarse weeds whose pollen is one of the most common causes of hay fever. Ragweed belongs to the composite family. 2. U.S. Dialect. the marsh elder. 3. British. ragwort … Useful english dictionary
ragweed — /rag weed /, n. any of the composite plants of the genus Ambrosia, the airborne pollen of which is the most prevalent cause of autumnal hay fever, as the common North American species, A. trifida (great ragweed or giant ragweed) and A.… … Universalium
ragweed — rag|weed [ˈrægwi:d] n [U] a North American plant that produces a substance which causes ↑hay fever … Dictionary of contemporary English
ragweed — rag|weed [ ræg,wid ] noun uncount a North American plant that produces a lot of POLLEN … Usage of the words and phrases in modern English
ragweed — rag•weed [[t]ˈrægˌwid[/t]] n. pln any of the composite plants of the genus Ambrosia, the airborne pollen of which is the most prevalent cause of autumnal hay fever • Etymology: 1650–60; so called from its ragged appearance … From formal English to slang
Ragweed — Any of a number of weedy composite herbs that produce a pollen that is a frequent cause of allergies. Of all allergy sufferers in the United States, 75% are allergic to ragweed. * * * rag·weed rag .wēd n any of various chiefly No. American weedy… … Medical dictionary
Cynoglossum officinale — Scientific classification Kingdom: Plantae (unranked) … Wikipedia
Ambrosia artemisiaefolia — Ragweed Rag weed (r[a^]g w[=e]d ), n. (Bot.) A common American composite weed ({Ambrosia artemisi[ae]folia}) with finely divided leaves; hogweed. [1913 Webster] {Great ragweed}, a coarse American herb ({Ambrosia trifida}), with rough three lobed… … The Collaborative International Dictionary of English
Ambrosia trifida — Ragweed Rag weed (r[a^]g w[=e]d ), n. (Bot.) A common American composite weed ({Ambrosia artemisi[ae]folia}) with finely divided leaves; hogweed. [1913 Webster] {Great ragweed}, a coarse American herb ({Ambrosia trifida}), with rough three lobed… … The Collaborative International Dictionary of English
Great ragweed — Ragweed Rag weed (r[a^]g w[=e]d ), n. (Bot.) A common American composite weed ({Ambrosia artemisi[ae]folia}) with finely divided leaves; hogweed. [1913 Webster] {Great ragweed}, a coarse American herb ({Ambrosia trifida}), with rough three lobed… … The Collaborative International Dictionary of English
