acetaminophen
noun
acet·amin·o·phen
ə-ˌsē-tə-ˈmi-nə-fən 
ˌa-sə-tə-
: a crystalline compound C8H9NO2 that is a hydroxy derivative of acetanilide and is used in chemical synthesis and in medicine to relieve pain and fever
Examples of acetaminophen in a Sentence
Recent Examples on the Web
Pain can often be managed with over-the-counter medications like ibuprofen or acetaminophen.
—
Daryl Austin, USA Today, 9 June 2025
Behavioral therapy for pain Many adults think nothing of taking medicines such as ibuprofen or acetaminophen for minor aches and pains, but there’s little evidence that pharmacologic treatments work best for children’s chronic pain.
—Natoshia R. Cunningham, The Conversation, 4 June 2025
The physicians discovered that the pharmacist had accidentally given them the wrong substance, the later identification of which led to the development of acetaminophen, or Tylenol.
—Rivka Galchen, New Yorker, 26 May 2025
These drugs include Tylenol (acetaminophen), statins, macrolides, anticonvulsants, antituberculosis medications, and some herbal supplements.
—Suchandrima Bhowmik, Health, 24 May 2025
See All Example Sentences for acetaminophen
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Daryl Austin, USA Today, 9 June 2025
Behavioral therapy for pain Many adults think nothing of taking medicines such as ibuprofen or acetaminophen for minor aches and pains, but there’s little evidence that pharmacologic treatments work best for children’s chronic pain.
—Natoshia R. Cunningham, The Conversation, 4 June 2025
The physicians discovered that the pharmacist had accidentally given them the wrong substance, the later identification of which led to the development of acetaminophen, or Tylenol.
—Rivka Galchen, New Yorker, 26 May 2025
These drugs include Tylenol (acetaminophen), statins, macrolides, anticonvulsants, antituberculosis medications, and some herbal supplements.
—Suchandrima Bhowmik, Health, 24 May 2025
See All Example Sentences for acetaminophen
Cite this Entry
“Acetaminophen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetaminophen. Accessed 19 Jun. 2025.
Copy CitationKids Definition
acetaminophen
noun
acet·amin·o·phen
ə-ˌsēt-ə-ˈmin-ə-fən
: a crystalline compound used in medicine to relieve pain and fever
Medical Definition
acetaminophen
noun
acet·amin·o·phen
ə-ˌsēt-ə-ˈmin-ə-fən
ˌas-ət-
ˌas-ət-
: a crystalline compound C8H9NO2 that is a hydroxy derivative of acetanilide and is used in chemical synthesis and in medicine instead of aspirin to relieve pain and fever
called also paracetamol
see liquiprin, panadol, tylenolLove words? Need even more definitions?
Merriam-Webster unabridged
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