Definitions

1. noun

plural of effluvium, a smell or a gas with an unpleasant smell, especially one that is noxious or unhealthy

“The city’s effluvia from the industrial area polluted the nearby river.”

2. noun

plural of effluvium, a flow or discharge of fluid or gas, especially one that is noxious or unhealthy

“The hospital’s effluvia from the emergency ward caused discomfort to the nearby staff.”