Retarder
From Wikipedia, the free encyclopedia
Retarder can mean:
- Acrylic retarder, a chemical agent added to fine art acrylic paint to slow its short drying time
- Retarder (chemistry), a chemical agent that slows down a chemical reaction
- Retarder (mechanical engineering), a device for slowing down lorries, coaches and other vehicles
- Retarder (railroad), a device to slow railroad freight cars as they are sorted into trains
- Wave plate, an optical device that alters the polarization state of a light wave travelling through it
- Dough retarder, a refrigerator used to slow down the fermentation process of yeast when making dough
- Retarder (album), an album by The Unband