acetaminophen

[uh-see-tuh-min-uh-fuh n, as-i-tuh-]
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noun Pharmacology.

a crystalline substance, C8H9NO2, used as a headache and pain reliever and to reduce fever.

Origin of acetaminophen

First recorded in 1955–60; acet- + amino- + phen(ol)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for acetaminophen

Contemporary Examples of acetaminophen

  • Now that a Danish study has associated maternal use of acetaminophen with ADHD, mothers are likely to panic.

    The Daily Beast logo
    Could Tylenol Cause ADHD?

    Kent Sepkowitz

    February 25, 2014



Word Origin and History for acetaminophen
n.

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

Medicine definitions for acetaminophen

acetaminophen

[ə-sē′tə-mĭnə-fən, ăs′ə-]

n.

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.

Science definitions for acetaminophen

acetaminophen

[ə-sē′tə-mĭnə-fən, ăs′ə-]

A crystalline compound used in medicine to relieve pain and reduce fever. Chemical formula: C8H9NO2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.