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 (mī-ăz′mə, mē-)
n. pl. mi·as·mas or mi·as·ma·ta (-mə-tə)
1. A noxious atmosphere or influence: "The family affection, the family expectations, seemed to permeate the atmosphere ... like a coiling miasma" (Louis Auchincloss).
a. A foul-smelling vapor arising from rotting organic matter, formerly thought to cause disease.
b. A thick vaporous atmosphere or emanation: wreathed in a miasma of cigarette smoke.

[Greek, pollution, stain, from miainein, to pollute.]

mi·as′mal, mi′as·mat′ic (mī′əz-măt′ĭk), mi·as′mic (-mĭk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.miasmal - filled with vapormiasmal - filled with vapor; "miasmic jungles"; "a vaporous bog"
cloudy - full of or covered with clouds; "cloudy skies"
References in periodicals archive ?
Harris, "Rising Out of the Miasmal Mists: Marina Carr's Ireland," in The Theatre of Marina Carr: "Before Rules Was Made," ed.
Take, for example, the miasmal haze in Ohne Titel (Endlosschriftschwiinge, Studie zu 7 Tafeln, II) (Untitled [Endless Text, Study for 7 Panels, II]), 1972; or the dissipating mantle in today, a project she did for Artforum in 1988.
However, the miasmal transgressions enacted by Tantalus and his descendents also provide an established model for Apollo's divinely imposed retribution, and Orestes's and Electra's plans therefore follow the same inherited pattern of overturning ritually stabilized institutions (marriage, religious care for and appeal to the gods) with devastating familial consequences.
The sunlight changed too, so inexplicably that it's tempting to refer to old theories about miasmal exhalations of the earth.
And Street of No Return is so bleakly down and out that the spirit of Samuel Beckett looms out of the miasmal mist of hopelessness.