xanthone

noun

xan·​thone ˈzan-ˌthōn How to pronounce xanthone (audio)
: a ketone C13H8O2 that is the parent of several natural yellow pigments

Word History

Etymology

probably borrowed from German Xanthon, from xanth- (in Xanthen xanthene) + -on -one

First Known Use

circa 1894, in the meaning defined above

Time Traveler
The first known use of xanthone was circa 1894

Dictionary Entries Near xanthone

Xanthomonas

xanthone

xanthophore

See More Nearby Entries 

Cite this Entry

“Xanthone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/xanthone. Accessed 17 Nov. 2024.

Copy Citation

Share

Medical Definition

xanthone

noun
xan·​thone ˈzan-ˌthōn How to pronounce xanthone (audio)
: a ketone C13H8O2 that is the parent of several natural yellow pigments
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 All

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

Plural and Possessive Names: A Guide

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

Why is '-ed' sometimes pronounced at the end of a word?

What's the difference between 'fascism' and 'socialism'?
See All

Popular in Wordplay

See All

8 Words with Fascinating Histories

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things

10 Words from Taylor Swift Songs (Merriam's Version)

10 Scrabble Words Without Any Vowels
See All

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 Word Game 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
silhouette of a man with a megaphone against a british flag
Another Great British Vocabulary Quiz, Innit? A double-decker quiz with words from across the pond