influentnoun
/ˈɪn.fluː.ənt//ˈɪn.fluː.ənt/[ C ] specialized geography a stream that flows into another stream
[ U ] specialized environment water or other liquid that flows into a waste treatment centre:
There is a desire to evaluate the toxicity of the influent to municipal waste treatment plants.
influentadjective
/ˈɪn.fluː.ənt//ˈɪn.fluː.ənt/flowing into something:
The influent raw sewage has a high organic concentration.