A usually invisible emanation or exhalation, as of vapor or gas.
A byproduct or residue; waste.
The odorous fumes given off by waste or decaying matter.
An impalpable emanation; an aura.
effluvium ef·flu·vi·um (ĭ-fl&oomacr;'vē-əm) n. pl. ef·flu·vi·ums or ef·flu·vi·a (-vē-ə)
A shedding, especially of hair.
An exhalation, especially one of bad odor or injurious influence. No longer in technical use.