| Noun | 1. | Empirin - 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 plateletsaspirin powder, headache powder - a powdered form of aspirin buffered aspirin, Bufferin - aspirin coated with a substance capable of neutralizing acid (trade name Bufferin) enteric-coated aspirin - aspirin that is treated to pass through the stomach unaltered and to dissolve in the intestines salicylate - a salt of salicylic acid (included in several commonly used drugs) 2-hydroxybenzoic acid, salicylic acid - a white crystalline substance with a bitter aftertaste; used as a fungicide or in making aspirin or dyes or perfumes trademark - a formally registered symbol identifying the manufacturer or distributor of a product |