10-Letter Words Containing: S,O,W,N,D,S,_

• intended to test a new system under operating conditions and to familiarize the operators with the system

• initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state

• a very thorough search of a person or a place

• extortion of money (as by blackmail)

• To shift a transmission into a lower gear.

• To function at a lower rate.

• To make less controversial or risky.

• Downward air turbulence caused by a propeller or jet, but especially by helicopter blades

• The downward motion of air as a result of eddies behind a wing or chimney, etc.

• a landing of a spacecraft in the sea at the end of a space flight

• a swing downward of a golf club

• a worsening of business or economic activity

• Any of several unrelated trees whose wood has an unpleasant smell, but especially Ocotea bullata, a south African tree yielding hard, heavy wood

• Having no windows, especially no external windows

• a mass of snow heaped up by the wind

• An investigative reporter.