Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

AED

abbreviation

Definition of AED

  1. automated external defibrillator; automatic external defibrillator




Medical Dictionary

AED

abbreviation

Medical Definition of AED

  1. automated external defibrillator; automatic external defibrillator An automated external defibrillator is a portable electronic device that attaches to the chest and operates automatically to measure the heart's rhythm to determine if an electric shock is needed. It is designed to be used by someone without medical training. <A portable AED, about the size of a briefcase, analyzes the heart's rhythm and tells the person operating it whether or not to deliver an electrical shock to restore a normal heart rhythm.—Food & Fitness Advisor, May 2002>




Seen and Heard

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

WORD OF THE DAY

looking or feeling very sad

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

dog-eating-apple

Which is a synonym of asperse?

defame divulge beat placate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ