cirrostratus

cirrostratus
cirrostrative, adj.
/sir'oh stray"teuhs, -strat"euhs/, n., pl. cirrostratus.
a cloud of a class characterized by a composition of ice crystals and often by the production of halo phenomena and appearing as a whitish and usually somewhat fibrous veil, often covering the whole sky and sometimes so thin as to be hardly discernible: of high altitude, ab. 20,000-40,000 ft. (6000-12,000 m).
[1795-1805; CIRRO- + STRATUS]

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Universalium. 2010.

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  • cirrostratus — noun A principal high level cloud type appearing as a whitish veil, usually fibrous but sometimes smooth, which may totally cover the sky and which often produces halo phenomena, either partially or completely. Sometimes a banded aspect may… …   Wiktionary

  • cirrostratus — UK [ˌsɪrəʊˈstrɑːtəs] / US [ˌsɪroʊˈstreɪtəs] noun [countable/uncountable] Word forms cirrostratus : singular cirrostratus plural cirrostrati UK [ˌsɪrəʊˈstrɑːtaɪ] / US [ˌsɪroʊˈstreɪtaɪ] science a thin layer of cloud found very high in the sky …   English dictionary

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