Definitions

1. adjective

relating to or given off by a fluid, especially a gas, that flows or is released in a steady stream, often in large quantities.

“The effluvious fumes from the industrial plant caused health concerns for nearby residents.”

2. noun

a fluid, especially a gas, that flows or is released in a steady stream, often in large quantities.

“The scientists studied the effluvious plume from the volcanic eruption.”