protease

noun
pro·​te·​ase | \ ˈprō-tē-ˌās How to pronounce protease (audio) , -ˌāz\

Definition of protease

: any of numerous enzymes that hydrolyze proteins and are classified according to the most prominent functional group (such as serine or cysteine) at the active site

called also proteinase

Examples of protease in a Sentence

Recent Examples on the Web

Pineapple contains bromelain, a mixture of two protein-digesting enzymes (called proteases), a corrosive chemical that breaks down amino acids (that’s why pineapple is an effective and delicious meat tenderizer). Sarah Jampel, Bon Appetit, "A Trick That Keeps Pineapple From Burning Your Mouth When You Eat a Ton," 7 Mar. 2018 HIV protease inhibitors, for example – for which there's sufficient knowledge to guide chemists' discovery efforts. Michael Menduno, WIRED, "Molecular Matchmaker," 1 May 2001 As late as 1994, after more than a decade of organization and activism and research, the activists had split between centrists and radicals, and the new class of drugs, protease inhibitors, were failing in early clinical trials. Andrew Sullivan, New York Times, "HOW TO SURVIVE A PLAGUE," 21 Nov. 2016

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

See More

First Known Use of protease

1903, in the meaning defined above

History and Etymology for protease

International Scientific Vocabulary

Keep scrolling for more

Learn More about protease

Statistics for protease

Look-up Popularity

Time Traveler for protease

The first known use of protease was in 1903

See more words from the same year

Keep scrolling for more

More Definitions for protease

protease

noun
pro·​te·​ase | \ ˈprōt-ē-ˌās, -ˌāz How to pronounce protease (audio) \

Medical Definition of protease

: any of numerous enzymes that hydrolyze proteins and are classified according to the most prominent functional group (as serine or cysteine) at the active site

called also proteinase

— compare peptidase

More from Merriam-Webster on protease

Britannica.com: Encyclopedia article about protease

Comments on protease

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

WORD OF THE DAY

to take the place or position of

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!