rhodamine

noun, often capitalized rho·da·mine \ ˈrō-də-ˌmēn \

Definition of rhodamine

: any of a group of yellowish-red to blue fluorescent dyes; especially : a brilliant bluish-red dye made by fusing an amino derivative of phenol with phthalic anhydride and used especially in coloring paper and as a biological stain

Recent Examples of rhodamine from the Web

In the photos on this page, researchers with David Kaplan’s Watershed Ecology Lab at the University of Florida used non-toxic rhodamine WT fluorescent dye as a tracer.

— jennifer adler, National Geographic, "Mesmerizing Photos Reveal Hidden World of Underwater Caves," 29 Mar. 2017
In the photos on this page, researchers with David Kaplan’s Watershed Ecology Lab at the University of Florida used non-toxic rhodamine WT fluorescent dye as a tracer.

— jennifer adler, National Geographic, "Mesmerizing Photos Reveal Hidden World of Underwater Caves," 29 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rhodamine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.