Retarder
From Wikipedia, the free encyclopedia
- A retarder is a chemical agent that slows down a chemical reaction.
- A retarder or wave plate is an optical device that alters the polarization state of a light wave travelling through it.
- A retarder is a device for slowing down lorries, coaches and other vehicles.
- A retarder is installed on the tracks in a classification yard to slow railroad freight cars as they are sorted into trains.
- A dough retarder is a refrigerator used to slow down the fermentation process of yeast when making dough.
