acetaminophen

play
noun acet·amin·o·phen \ə-ˌsē-tə-ˈmi-nə-fən, ˌa-sə-tə-\

Definition of acetaminophen

  1. :  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

Recent Examples of acetaminophen from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acetaminophen'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of acetaminophen

acet- + amino + phenol


First Known Use: 1958


ACETAMINOPHEN Defined for English Language Learners

acetaminophen

play
noun

Definition of acetaminophen for English Language Learners

  • : a medicine that is used to relieve pain and fever


Medical Dictionary

acetaminophen

play play
noun acet·amin·o·phen \ə-ˌsēt-ə-ˈmin-ə-fən, ˌas-ət-\

Medical Definition of acetaminophen

  1. :  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, tylenol



Seen and Heard

What made you want to look up acetaminophen? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

of or relating to bile

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!