turndown

plural turndowns

1. A downturn.

   In past recessions, drugstores were virtually immune from a turndown.

   2009 January 3, Amy Zipkin, “Drugstores, Too, Feel Recession Pain”, in The New York Times, archived from the original on 26 Nov 2022

2. A rejection.
3. hotelsThe service of turning down the bedcovers and often leaving chocolates, etc., on the pillow.

   Also, the amenities vary between the paradors: almost all that we visited had hairdryers, many had small refrigerators in the room, and some even had bathrobes and turndown service.

   2006, June Eveleigh Brown, Karen Brown, Lorena Aburto Ramirez, Karen Brown's Spain, page 38

4. A downward pointing extension to a vehicle muffler.
5. engineeringThe operational range of a device: The range of conditions under which a device can be safely and effectively operated.

1. not comparableCapable of being turned down, or decreased in intensity.

   a turndown lamp

2. not comparableMade to wear with the upper part turned down.

   a turndown collar