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 nettle rash
 風疹

 nettle rash 名詞
 蕁痲疹

 Net·tle n.  Bot. A plant of the genus Urtica, covered with minute sharp hairs containing a poison that produces a stinging sensation.  Urtica gracilis is common in the Northern, and Urtica chamaedryoides in the Southern, United States.  The common European species, Urtica urens and Urtica dioica, are also found in the Eastern united States. Urtica pilulifera is the Roman nettle of England.
 Note: ☞ The term nettle has been given to many plants related to, or to some way resembling, the true nettle; as: Australian nettle, a stinging tree or shrub of the genus Laportea (as Laportea gigas and Laportea moroides); -- also called nettle tree.
 Bee nettle, Hemp nettle, a species of Galeopsis. See under Hemp.
 Blind nettle, Dead nettle, a harmless species of Lamium.
 False nettle (Baehmeria cylindrica), a plant common in the United States, and related to the true nettles.
 Hedge nettle, a species of Stachys.  See under Hedge.
 Horse nettle (Solanum Carolinense).  See under Horse.
 nettle tree. (a) Same as Hackberry. (b) See Australian nettle (above).
 Spurge nettle, a stinging American herb of the Spurge family (Jatropha urens).
 Wood nettle, a plant (Laportea Canadensis) which stings severely, and is related to the true nettles.
 Nettle cloth, a kind of thick cotton stuff, japanned, and used as a substitute for leather for various purposes.
 Nettle rash Med., an eruptive disease resembling the effects of whipping with nettles.
 Sea nettle Zool., a medusa.

 Rash, n.  Med. A fine eruption or efflorescence on the body, with little or no elevation.
 Canker rash. See in the Vocabulary.
 Nettle rash. See Urticaria.
 Rose rash. See Roseola.
 Tooth rash. See Red-gum.

 nettle rash
      n : an itchy skin eruption characterized by weals with pale
          interiors and well-defined red margins; usually the
          result of an allergic response to insect bites or food or
          drugs [syn: urtication, urticaria, hives]