eryth·​ro·​sin i-ˈrith-rə-sən How to pronounce erythrosin (audio)
variants or less commonly erythrosine
: any of several dyes made from fluorescein that yield reddish shades

Word History


International Scientific Vocabulary erythr- + eosin

First Known Use

circa 1882, in the meaning defined above

Time Traveler
The first known use of erythrosin was circa 1882

Dictionary Entries Near erythrosin

Cite this Entry

“Erythrosin.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2024.

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