OUTFLOW
escape, leak, leakage, outflow
(noun) the discharge of a fluid from some container; “they tried to stop the escape of gas from the damaged pipe”; “he had to clean up the leak”
spring, fountain, outflow, outpouring, natural spring
(noun) a natural flow of ground water
outflow, effluence, efflux
(noun) the process of flowing out
Source: WordNet® 3.1
Etymology
Noun
outflow (plural outflows)
The process of flowing out
Synonyms
• (process of flowing out): effluence, efflux, effluxion
Verb
outflow (third-person singular simple present outflows, present participle outflowing, simple past and past participle outflowed)
(intransitive) To flow outward.
Source: Wiktionary
Out"flow`, n.
Definition: A flowing out; efflux.
Out*flow", v. i.
Definition: To flow out. Campbell.
Source: Webster’s Unabridged Dictionary 1913 Edition