| Noun | 1. | Bufferin - aspirin coated with a substance capable of neutralizing acid (trade name Bufferin) acetylsalicylic acid, aspirin, Bayer, Empirin, St. Joseph - the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets trademark - a formally registered symbol identifying the manufacturer or distributor of a product |