Definition of QCD

quantum chromodynamics

Learn More about QCD

Dictionary Entries near QCD

QB

Q-boat

QC

QCD

Q-Celtic

qd

QDA

See More Nearby Entries 

Statistics for QCD

Cite this Entry

“QCD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/QCD. Accessed 11 Jul. 2020.

Comments on QCD

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

WORD OF THE DAY

See Definitions and Examples »

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
Add Diction

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!