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thionine

[ thahy-uh-neen, ‐nin ]

noun

, Biochemistry.
  1. 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

  1. a crystalline derivative of thiazine used as a violet dye to stain microscope specimens
  2. any of a class of related dyes
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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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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Example Sentences

Blue.—Methylene blue, new methylene blue, toluidine blue, thionine blue, indamine blue, Victoria blue, night blue, Nile blue, turquoise blue, marine blue, indoine blue, metamine blue, Capri blue, indazine, metaphenylene blue, paraphenylene blue, toluylene blue, indigene, indol blue, diphene blue, setopaline, setocyanine, setoglaucine, Helvetia blue.

Methylene blue and purple thionine looked promising.

Weigh out Thionine blue 1.0 gramme Carbolic acid 2.5 grammes and dissolve in Distilled water 100.0 c.c.

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thionic acidthionyl