avrenning

== Norwegian Bokmål == === Etymology === From av +‎ renne +‎ -ing. === Noun === avrenning f or m (definite singular avrenninga or avrenningen, indefinite plural avrenninger, definite plural avrenningene) (hydrology) run-off (of water, chemicals) == Norwegian Nynorsk == === Etymology === From av +‎ renne +‎ -ing. === Noun === avrenning f (definite singular avrenninga, indefinite plural avrenningar, definite plural avrenningane) (hydrology) run-off (of water, chemicals)