Retarder

Retarder may refer to:

• Retarder (album), an album by The Unband
• Retarder (chemistry), a chemical agent that slows down a chemical reaction
• Retarder (mechanical engineering), a device for slowing down large trucks, lorries, buses, coaches and other vehicles
• Retarder (railroad), a device to slow railroad freight cars as they are sorted into trains
• Acrylic retarder, a chemical agent added to fine art acrylic paint to slow its short drying time
• Dough retarder, a refrigerator used to slow down proofing of yeast when making dough
• Retardation plate, an optical device that alters the polarization state of a light wave traveling through it
• A component in weapons that slow down their rate of fire.

See also[edit]

• Retardation (disambiguation)

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