Definisjon av ragweed

Vi fant 4 definisjoner av ragweedengelsk.

Annonsering

WordNet WordNet by Princeton University

Noun

ragweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
ambrosia, bitterweed
weed a black band worn by a man (on the arm or hat) as a sign of mourning
genus ambrosia comprising the ragweeds; in some classification considered the type genus of a separate family Ambrosiaceae
ambrosia artemisiifolia, common ragweed annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentally
ambrosia trifida, great ragweed a coarse annual with some leaves deeply and palmately three-cleft or five-cleft
ragweed - widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
ragwort, tansy ragwort, benweed, Senecio jacobaea
weed a black band worn by a man (on the arm or hat) as a sign of mourning
= synonym
= antonym
= relatert ord

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Substantiv

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

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  • Ragweeds (Ambrosia), also called bitterweeds or bloodweeds, are a genus of flowering plants from the sunflower family. The scientific name of this genus is sometimes claimed to be derived from the Ancient Greek term for the perfumed nourishment of the gods, ambrosia (ἀμβροσία), which would be ironic, since the genus is best known for one fact: its pollen produces severe and widespread allergies. However, the generic name is actually cognate with the name of the divine dish, both being derived from ambrotos (άμβροτος), "immortal".

Substantiv

  • Entall: ragweed
  • Flertall: ragweeds

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