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Meaning of effluvium

ef•flu•vi•um

Pronunciation: (i-fl'vē-um), [key]
— pl. -vi•a -vi•ums.
  1. a slight or invisible exhalation or vapor, esp. one that is disagreeable or noxious.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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