✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate Dictionary — Buy Now!

“dissociation curve”

We have one entry that includes the term dissociation curve.

oxygen dissociation curve

noun

: a curve determined by plotting on a graph the partial pressure of oxygen in blood as the abscissa and the percentage of hemoglobin combined with oxygen in the form of oxyhemoglobin as the ordinate

See the full definition

Word of the Day

Listen to the pronunciation of inoculate

See Definitions and Examples »

Test Your Vocabulary

Challenging Standardized Test Words

  • high school student holding a pencil leaning over a sat test
  • Despite the cacophony, the student tried to study.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

Pick the best words!

PLAY
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
baby chick with a brown egg
Which Came First? "Jeggings" or "mom jeans"? "Chillax" or "dumpster...
See All