lock washer
— Navneord
– Engelsk
~ washer that prevents a nut from loosening
laying waste
— Navneord
– Engelsk
~ destruction achieved by causing something to be wrecked or ruined
low-level radioactive waste
— Navneord
– Engelsk
~ (medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests)
lay waste to
— Udsagnsord
– Engelsk
~ cause extensive destruction or ruin utterly; "The enemy lay waste to the countryside after the invasion"
listening watch
— Navneord
– Engelsk
~ a watch established for the reception of traffic of interest to the unit maintaining the watch