What does acetylsalicylic acid mean?
• ACETYLSALICYLIC ACID (noun) The noun ACETYLSALICYLIC ACID has 1 sense: 1. the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer and Empirin) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets Familiarity information: ACETYLSALICYLIC ACID used as a noun is very rare.