'Effluvia' definitions:

Definition of 'Effluvia'

From: GCIDE
  • Effluvium \Ef*flu"vi*um\, n.; pl. Effluvia. [L., a flowing out, fr. effluere to flow out. See Effluent, a.] Subtile or invisible emanation; exhalation perceived by the sense of smell; especially, noisome or noxious exhalation; as, the effluvium from diseased or putrefying bodies, or from ill drainage. [1913 Webster]