Wiktionary
a. (context organic chemistry English) Describing any derivative of salicylic acid in which the phenolic hydroxyl has been acetylated.
WordNet
Usage examples of "acetylsalicylic".
People with asthma or a family history of asthma are sometimes allergic to acetylsalicylic acid or aspirin.
A mild analgesic in common use is acetylsalicylic acid, better known by what was originally a trade-name, aspirin.
The coating of acetylsalicylic acid, which was plain old aspirin, was around the more lethal viscera of the pills.
His requests for specific equipment were met with a chorus of ready responses, the combined harshness of half a dozen Niyyuuan voices all attempting to answer at once leaving him wishing that his first ingredient was a hearty dose of acetylsalicylic acid.
Aspirin was acetylsalicylic acid, and if it was taken in sufficient quantities, it would acidify you.