Definition of acetaminophen in English:

Share this entry


Pronunciation: /əˌsēdəˈminəfən/


North American
1An analgesic drug used to treat headaches, arthritis, etc., and also to reduce fever, often as an alternative to aspirin. Proprietary names include Tylenol.
  • Chemical formula: C8H9NO2.
Example sentences
  • Usually safe alternatives to aspirin include acetaminophen or salsalate (Szczeklik et al.
  • Treat your child's fever with acetaminophen - Tylenol, Tempra - when needed.
  • Pain medicine such as aspirin or acetaminophen may help.
1.1A tablet containing the drug acetaminophen.
Example sentences
  • In tests, John J. Johnston and his colleagues gave 30 caged snakes dead, newborn mice with two 40-milligram acetaminophen tablets packed inside.
  • For example, one extra strength acetaminophen tablet could be fatal to a cat.
  • He continued to study her as they finished pitching the tent, then quietly handed her two acetaminophen tablets and a dixie cup of water.

For editors and proofreaders

Syllabification: a·ce·ta·min·o·phen

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.