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miasma

[ mahy-az-muh, mee- ]
/ maɪˈæz mə, mi- /
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See synonyms for: miasma / miasmatic / miasmic on Thesaurus.com

noun, plural mi·as·mas, mi·as·ma·ta [mahy-az-muh-tuh, mee-]. /maɪˈæz mə tə, mi-/.

noxious exhalations from putrescent organic matter; poisonous effluvia or germs polluting the atmosphere.
a dangerous, foreboding, or deathlike influence or atmosphere.

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Origin of miasma

1655–65; <New Latin <Greek míasma stain, pollution, akin to miaínein to pollute, stain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for miasma

miasma
/ (mɪˈæzmə) /

noun plural -mata (-mətə) or -mas

an unwholesome or oppressive atmosphere
pollution in the atmosphere, esp noxious vapours from decomposing organic matter
miasmal, miasmatic (ˌmiːəzˈmætɪk), miasmatical or miasmic, adjective
C17: New Latin, from Greek: defilement, from miainein to defile
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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