aspirin

noun

as·​pi·​rin ˈa-sp(ə-)rən How to pronounce aspirin (audio)
plural aspirin or aspirins
1
: a white crystalline derivative C9H8O4 of salicylic acid used for relief of pain and fever
2
: a tablet of aspirin

Examples of aspirin in a Sentence

Aspirin is effective in controlling headaches.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For example, willow bark was administered for pain relief; and willow bark contains acetylsalicylic acid – aspirin. Grrlscientist, Forbes, 28 Feb. 2025 When taken together, ibuprofen can reduce aspirin’s antiplatelet effect. Femi Aremu, Verywell Health, 3 Feb. 2025 Don’t buy a crate of aspirin to use up your balance. Tom Murphy, Los Angeles Times, 29 Dec. 2024 On the second floor a video village has been constructed in the stadium’s first-aid clinic, where Bernad and other producers watch monitors amid piles of Hard Rock Café takeout wrappers, mosquito spray, and aspirin bottles. Charlie Campbell, TIME, 24 Jan. 2025 See All Example Sentences for aspirin

Word History

Etymology

International Scientific Vocabulary, from acetyl + spiraeic acid (former name of salicylic acid), from New Latin Spiraea, genus of shrubs — more at spirea

First Known Use

1899, in the meaning defined at sense 1

Time Traveler
The first known use of aspirin was in 1899

Browse Nearby Words

Cite this Entry

“Aspirin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aspirin. Accessed 12 Mar. 2025.

Kids Definition

aspirin

noun
as·​pi·​rin ˈas-p(ə-)rən How to pronounce aspirin (audio)
1
: a white drug used as a remedy for pain and fever
2
: a tablet of aspirin

Medical Definition

aspirin

noun
as·​pi·​rin ˈas-p(ə-)rən How to pronounce aspirin (audio)
plural aspirin or aspirins
1
: a white crystalline derivative C9H8O4 of salicylic acid used for relief of pain and fever
2
: a tablet of aspirin

More from Merriam-Webster on aspirin

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!