noun \mī-ˈaz-mə, mē-\

: a heavy cloud of something unpleasant or unhealthy

plural mi·as·mas also mi·as·ma·ta \-mə-tə\

Full Definition of MIASMA

:  a vaporous exhalation formerly believed to cause disease; also :  a heavy vaporous emanation or atmosphere <a miasma of tobacco smoke>
:  an influence or atmosphere that tends to deplete or corrupt <freed from the miasma of poverty — Sir Arthur Bryant>; also :  an atmosphere that obscures :  fog
mi·as·mal \-məl\ adjective
mi·as·mat·ic \ˌmī-əz-ˈma-tik\ adjective
mi·as·mic \mī-ˈaz-mik, mē-\ adjective
mi·as·mi·cal·ly \-mi-k(ə-)lē\ adverb

Origin of MIASMA

New Latin, from Greek, defilement, from miainein to pollute
First Known Use: 1665

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic

Rhymes with MIASMA


noun \mī-ˈaz-mə, mē-\   (Medical Dictionary)
plural mi·as·mas also mi·as·ma·ta \-mət-ə\

Medical Definition of MIASMA

: a vaporous exhalation (as of a marshy region or of putrescent matter) formerly believed to cause disease (as malaria)
mi·as·mal \-məl\ adjective
mi·as·mat·ic \ˌmī-əz-ˈmat-ik\ adjective
mi·as·mic \mī-ˈaz-mik, mē-\ adjective


Next Word in the Dictionary: mic
Previous Word in the Dictionary: miaow
All Words Near: miasma

Seen & Heard

What made you want to look up miasma? Please tell us where you read or heard it (including the quote, if possible).