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 opposite …   The Collaborative International Dictionary of English

ragweed — noun bot. амброзия полыннолистна …   Англо-русский словарь Мюллера

ragweed — 1> бот. амброзия (Ambrosia gen.) …   Новый большой англо-русский словарь

Ragweed — Taxobox name = Ragweeds image width = 200px image caption = A ragweed, Ambrosia sp. regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida subclassis = Asteridae unranked ordo = Euasterids II ordo = Asterales familia = Asteraceae… …   Wikipedia

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 — ˈræɡwi:d сущ.; бот. амброзия полыннолистная (ботаника) амброзия (Ambrosia gen.) ragweed бот. амброзия полыннолистная ragwort: ragwort = ragweed …   Большой англо-русский и русско-английский словарь

Ragweed — Beifußblättriges Traubenkraut Beifußblättriges Traubenkraut (Ambrosia artemisiifolia) Systematik Ordnung …   Deutsch Wikipedia

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 …   Medical dictionary

ragweed — noun Date: 1790 any of various chiefly North American weedy composite herbs (genus Ambrosia) that produce highly allergenic pollen …   New Collegiate Dictionary

ragweed — noun A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen which people with hay fever are allergic to …   Wiktionary