Dictionary
ef•flu•vi•um
Pronunciation: (i-flOO'vē-um), [key]—
n.,
—pl. -vi•aPronunciation: (-vē-u), [key] -vi•ums.
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.