TUNDRA
\tˈʌndɹə], \tˈʌndɹə], \t_ˈʌ_n_d_ɹ_ə]\
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One of the level or undulating treeless plains characteristic of northern arctic regions in both hemispheres. The tundras mark the limit of arborescent vegetation; they consist of black mucky soil with a permanently frozen subsoil, but support a dense growth of mosses and lichens, and dwarf herbs and shrubs, often showy-flowered.
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A rolling, marshy, mossy plain of Northern Siberia.
By Oddity Software
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One of the level or undulating treeless plains characteristic of northern arctic regions in both hemispheres. The tundras mark the limit of arborescent vegetation; they consist of black mucky soil with a permanently frozen subsoil, but support a dense growth of mosses and lichens, and dwarf herbs and shrubs, often showy-flowered.
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A rolling, marshy, mossy plain of Northern Siberia.
By Noah Webster.
Word of the day
Immunologic Desensitization
- Immunosuppression by the administration increasing doses antigen. Though exact mechanism is not clear, therapy results increase in serum levels of allergen-IMMUNOGLOBULIN G, suppression specific IgE, and an suppressor T-cell activity.