n.
Pronunciation: ' as-p( ə -)r ə n
Function: noun
Inflected Form: plural aspirin or aspirins
Etymology: International Scientific Vocabulary, from a cetyl + spir aeic acid (former name of salicylic acid), from New Latin Spiraea, genus of shrubs ― more at SPIREA
Date: 1899
1 : a white crystalline derivative C 9 H 8 O 4 of salicylic acid used for relief of pain and fever
2 : a tablet of aspirin