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

enzyme

play
noun en·zyme \ˈen-ˌzīm\

Simple Definition of enzyme

  • : a chemical substance in animals and plants that helps to cause natural processes (such as digestion)

Full Definition of enzyme

  1. :  any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures


Medical Dictionary

enzyme

play
noun en·zyme \ˈen-ˌzīm\

Medical Definition of enzyme

  1. :  any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures





Seen and Heard

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

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 16.96 pounds 100 pounds 2.2 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ