What is another word for outflow?
Pronunciation: [a͡ʊtflˈə͡ʊ] (IPA) 
Outflow refers to the movement of a substance, usually liquid, from a particular place or object. Some synonyms for outflow include discharge, flow, efflux, egress, emigration, migration, and voidance. Discharge is often used to describe the release of wastewater or other liquids from a system, while flow is more general and can refer to any type of movement. Efflux is a scientific term that implies movement away from a source, while egress and emigration describe the movement of people or animals from a particular place. Voidance is similar to discharge, but typically refers to the release of gases or air.
