acetaminophen

[ uh-see-tuh-min-uh-fuhn, as-i-tuh- ]

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

Origin of acetaminophen

1
First recorded in 1955–60; acet- + amino- + phen(ol)

Words Nearby acetaminophen

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use acetaminophen in a sentence

Scientific definitions for acetaminophen

acetaminophen

[ ə-sē′tə-mĭnə-fən, ăs′ə- ]


  1. A crystalline compound used in medicine to relieve pain and reduce fever. Chemical formula: C8H9NO2.

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