: a brilliant bluish red dye made by fusing an amine derivative of phenol with phthalic anhydride and used especially in coloring paper and as a biological stain
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“Rhodamine B.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/rhodamine%20B. Accessed 22 Dec. 2024.
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