Definition

A substance that is released as a byproduct, often in the form of gas or vapor, which can be unpleasant or harmful.

Example

The effluvium from the decaying food filled the room with a terrible smell.

Conversation

Have you ever noticed the effluvium coming from the old dumpster behind the store?

Yeah, it really smells terrible!

I wonder what kind of waste is causing that effluvium.

Probably a mix of food and other decaying stuff; it’s pretty gross.

Synonyms & Antonyms

Root Explanation

Effluvium is formed from "ex-" (meaning out of) and "fluere" (meaning to flow). The word describes something that flows out, often referring to an unpleasant or noxious emission.

Memory Tip

Think of something that flows 'out' ('ex-') — that's why effluvium refers to something that flows out, often in a negative context.

Visually Confused Words