Leakage
WordNet
noun
(1) The unwanted 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"
WiktionaryText
Noun
- an act of leaking, or something that leaks
- the amount lost due to a leak
- an undesirable flow of electric current through insulation
- loss of retail stock, especially due to theft