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Meaning of thionine | Babel Free

Noun CEFR B2

Definitions

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

Equivalents

Français thionine

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

thionite thionitrobenzene thionitrobenzoate thionitrobenzoic acid thionitronium thionitrosonium

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