Evans blue

noun

Ev·​ans blue ˈev-ənz- How to pronounce Evans blue (audio)
: a dye C34H24N6Na4O14S4 that on injection into the bloodstream combines with serum albumin and is used to determine blood volume colorimetrically

Browse Nearby Words

evanescent
Evans blue
evaporation
See all Nearby Words

Cite this Entry

“Evans blue.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Evans%20blue. Accessed 30 Jul. 2025.

Copy Citation

Share

Love words? Need even more definitions?

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

Popular in Grammar & Usage

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

'Affect' vs. 'Effect'

Using Bullet Points ( • )

The Difference Between 'i.e.' and 'e.g.'

Democracy or Republic: What's the difference?
See More

Popular in Wordplay

See More

Our Best Historical Slang Terms

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Better Ways to Say 'This Sucks'

8 Words with Fascinating Histories
See More

Popular

See More

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Our Best Historical Slang Terms

Even More Bird Names that Sound Like Insults (and Sometimes Are)
See More

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?
Missing Letter A daily crossword with a twist
anagrams on a chalk board
Word Builder Quiz Pick the letter that when added to a word will ma...
See All