pyronine

[ pahy-ruh-neen ]

/ ˈpaɪ rəˌnin /

noun Histology.

a xanthine dye used for detecting the presence of RNA.

Words nearby pyronine

pyrometric bead, pyrometric cone, pyromorphite, pyromucic aldehyde, pyrone, pyronine, pyrope, pyrophobia, pyrophoric, pyrophosphatase, pyrophosphate

Origin of pyronine

First recorded in 1890–95, pyronine is from the German word Pyronin, originally a trademark

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for pyronine

pyronine

[ pī′rə-nēn′ ]

n.

Any of several xanthene dyes that are ferric chloride complexes and are used in combination with methyl green to stain for RNA, DNA, and bacteria, and as a tracking dye for RNA in electrophoresis.