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[uh-see-tuh-min-uh-fuh n, as-i-tuh-] /əˌsi təˈmɪn ə fən, ˌæs ɪ tə-/
noun, Pharmacology
a crystalline substance, C 8 H 9 NO 2 , used as a headache and pain reliever and to reduce fever.
Origin of acetaminophen
1955-60; acet- + amino- + phen(ol) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for acetaminophen
  • Aspirin may irritate the stomach and alcohol can amplify the toxic effects of acetaminophen on the liver.
  • There are preliminary studies that are beginning to link acetaminophen use with both the rise of autism and asthma.
  • These can often be controlled by taking acetaminophen before or after vaccination.
  • There's no harm in treating a true fever with over-the-counter acetaminophen or ibuprofen.
  • The pain reliever, acetaminophen can reduce fever and discomfort.
  • Non-aspirin containing pain-relievers such as acetaminophen are preferred.
  • Patients may get combinations of narcotic pain relievers and acetaminophen for periodic pain.
  • Take acetaminophen or ibuprofen for pain and inflammation.
  • Fever is normally treated with acetaminophen and cool sponge baths.
  • Take over-the-counter medications for pain or fever, such as ibuprofen or acetaminophen.
Word Origin and History for acetaminophen

U.S. name for "para-acetylaminophenol," 1960, composed of syllables from the chemical name; in Britain, the same substance is paracetamol.

Online Etymology Dictionary, © 2010 Douglas Harper
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acetaminophen in Medicine

acetaminophen a·cet·a·min·o·phen (ə-sē'tə-mĭn'ə-fən, ās'ə-)
A crystalline compound used in chemical synthesis and in medicine to relieve pain and reduce fevers.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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acetaminophen in Science
  (ə-sē'tə-mĭn'ə-fən, ās'ə-)   
A crystalline compound used in medicine to relieve pain and reduce fever. Chemical formula: C8H9NO2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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