< /ɪˈflu vi ə/, ef·flu·vi·ums.
- a slight or invisible exhalation or vapor, especially one that is disagreeable or noxious.
noun plural -via (-vɪə) or -viums
- an unpleasant smell or exhalation, as of gaseous waste or decaying matter
1640s, from Latin effluvium “a flowing out,” from effluere (see effluence).
n. pl. ef•flu•vi•ums
- A shedding, especially of hair.
- An exhalation, especially one of bad odor or injurious influence. No longer in technical use.