| slovo | definícia |
ragweed
(encz) | ragweed,rostliny rodu Ambrosia n: [bot.] Ambrosia artemisiifolia (=A.
elatior), A. trifida, A. maritima, A. psilostachya Michal Ambrož |
Ragweed
(gcide) | Ragweed \Rag"weed`\ (r[a^]g"w[=e]d`), n. (Bot.)
A common American composite weed (Ambrosia artemisiaefolia)
with finely divided leaves; hogweed.
[1913 Webster]
Great ragweed, a coarse American herb (Ambrosia trifida),
with rough three-lobed opposite leaves.
[1913 Webster] |
ragweed
(wn) | ragweed
n 1: widespread European weed having yellow daisylike flowers;
sometimes an obnoxious weed and toxic to cattle if consumed
in quantity [syn: ragwort, tansy ragwort, ragweed,
benweed, Senecio jacobaea]
2: any of numerous chiefly North American weedy plants
constituting the genus Ambrosia that produce highly
allergenic pollen responsible for much hay fever and asthma
[syn: ragweed, ambrosia, bitterweed] |
| | podobné slovo | definícia |
common ragweed
(encz) | common ragweed, n: |
false ragweed
(encz) | false ragweed, n: |
great ragweed
(encz) | great ragweed, n: |
perennial ragweed
(encz) | perennial ragweed, n: |
ragweed pollen
(encz) | ragweed pollen, n: |
western ragweed
(encz) | western ragweed, n: |
Great ragweed
(gcide) | Ragweed \Rag"weed`\ (r[a^]g"w[=e]d`), n. (Bot.)
A common American composite weed (Ambrosia artemisiaefolia)
with finely divided leaves; hogweed.
[1913 Webster]
Great ragweed, a coarse American herb (Ambrosia trifida),
with rough three-lobed opposite leaves.
[1913 Webster] |
Ragweed
(gcide) | Ragweed \Rag"weed`\ (r[a^]g"w[=e]d`), n. (Bot.)
A common American composite weed (Ambrosia artemisiaefolia)
with finely divided leaves; hogweed.
[1913 Webster]
Great ragweed, a coarse American herb (Ambrosia trifida),
with rough three-lobed opposite leaves.
[1913 Webster] |
common ragweed
(wn) | common ragweed
n 1: annual weed with finely divided foliage and spikes of green
flowers; common in North America; introduced elsewhere
accidentally [syn: common ragweed, {Ambrosia
artemisiifolia}] |
false ragweed
(wn) | false ragweed
n 1: tall annual marsh elder common in moist rich soil in
central North America that can cause contact dermatitis;
produces much pollen that is a major cause of hay fever
[syn: burweed marsh elder, false ragweed, {Iva
xanthifolia}] |
great ragweed
(wn) | great ragweed
n 1: a coarse annual with some leaves deeply and palmately
three-cleft or five-cleft [syn: great ragweed, {Ambrosia
trifida}] |
perennial ragweed
(wn) | perennial ragweed
n 1: coarse perennial ragweed with creeping roots of dry barren
lands of southwestern United States and Mexico [syn:
western ragweed, perennial ragweed, {Ambrosia
psilostachya}] |
ragweed pollen
(wn) | ragweed pollen
n 1: pollen of the ragweed plant is a common allergen |
western ragweed
(wn) | western ragweed
n 1: coarse perennial ragweed with creeping roots of dry barren
lands of southwestern United States and Mexico [syn:
western ragweed, perennial ragweed, {Ambrosia
psilostachya}] |
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