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thionine
[ thahy-uh-neen, ‐nin ]
noun
, Biochemistry.
- a dark-green crystalline powder, C 12 H 10 N 3 S, whose property of turning violet in solution is useful in microscopy as a biological stain.
thionine
/ ˈθaɪənɪn; -ˌnaɪn; ˈθaɪəʊˌniːn /
noun
- a crystalline derivative of thiazine used as a violet dye to stain microscope specimens
- any of a class of related dyes
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Word History and Origins
Origin of thionine1
First recorded in 1885–90; from Greek theîon “sulfur” ( thio- ( def ) ) + -ine 2( def )
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Word History and Origins
Origin of thionine1
C19: by shortening, from ergothioneine, a crystalline betaine found in ergot and blood
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