pseudoephedrine

play
noun pseu·do·ephed·rine \ˌsü-dō-i-ˈfed-rən, British also -ˈe-fə-drən\

Definition of pseudoephedrine

  1. :  an isomer of ephedrine used in the form of its hydrochloride or sulfate especially to relieve nasal congestion

1889

First Known Use of pseudoephedrine

1889


Medical Dictionary

pseudoephedrine

play
noun pseu·do·ephed·rine \-i-ˈfed-rən, British also -ˈef-ə-drən\

Medical Definition of pseudoephedrine

  1. :  a crystalline alkaloid C10H15NO that is isomeric with ephedrine and is administered chiefly in the form of its hydrochloride C10H15NO·HCl or sulfate (C10H15NO)2·H2SO4 especially to relieve nasal congestion


Seen and Heard

What made you want to look up pseudoephedrine? 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

a weapon for destroying ships

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!