Definition of Borrel's blue
: a stain made by adding methylene blue to silver oxide and used in parasitology
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!
Origin and Etymology of borrel's blue
after Amédée Borrel
Seen and Heard
What made you want to look up Borrel's blue? Please tell us where you read or heard it (including the quote, if possible).