Definition of orcein in English:
noun[mass noun] Chemistry
A red dye obtained from orchil, used as a microscopic stain.
- The chromosomes were stained with acetic orcein and visualized with a light microscope.
- Chromosomes were counted in root tips stained with acetic orcein.
- The slide was immersed in 1% orcein in 45% acetic acid for 15 min, washed in distilled water, air-dried and a coverslip was mounted in Histomount (National Diagnostics, Hull, UK).
mid 19th century: alteration of orcin, another name for orcinol.
Definition of orcein in:
- US English dictionary
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