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Webster 1913 Edition


Thionine

Thi′on-ine

,
Noun.
[Gr. [GREEK] brimstone, sulphur.]
(Chem.)
An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; – called also
phenylene violet
.

Definition 2024


thionine

thionine

English

Noun

thionine (countable and uncountable, plural thionines)

  1. (chemistry) An artificial red or violet dyestuff consisting of a complex sulfur derivative of certain aromatic diamines.
  2. (organic chemistry) The unsaturated nine-membered heterocycle having eight carbon atoms, one sulfur atom and four double bonds

Synonyms

  • phenylene violet