phenolsulfonephthalein

noun
variants: or phenolsulfonphthalein \¦⸗ˌ⸗¦⸗ˌ⸗¦⸗(⸗)⸗ \

Definition of phenolsulfonephthalein 

: a red crystalline compound C19H14O5S formed by condensation of the anhydride of ortho-sulfobenzoic acid and phenol and used chiefly as a test of kidney function and as an acid-base indicator

called also phenol red

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for phenolsulfonephthalein

International Scientific Vocabulary phenol + sulfonephthalein or sulfonphthalein

Keep scrolling for more

Learn More about phenolsulfonephthalein

Share phenolsulfonephthalein

Dictionary Entries near phenolsulfonephthalein

phenology

phenolphthalein

phenol red

phenolsulfonephthalein

phenom

phenomena

phenomenal

Statistics for phenolsulfonephthalein

Look-up Popularity

Comments on phenolsulfonephthalein

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

WORD OF THE DAY

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Dictionary Devil

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!