Dictionary
as•pi•rin
Pronunciation: (as'pur-in, -prin), [key]—
n.,
—pl. -rin, -rins.
1. Pharm.a white, crystalline substance, C
9H
8O
4, derivative of salicylic acid, used as an anti-inflammatory agent and to relieve the pain of headache, rheumatism, gout, neuralgia, etc.; acetylsalicylic acid.
2. an aspirin tablet:
I took two aspirin and went right to bed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.