We don't have synonyms for thionin yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are thionic and thionein.
(n) :
(biochemistry) Any of a class of cytotoxic polypeptides found in some plants
(n) :
Alternative form of thionine. [(chemistry) An artificial red or violet dyestuff consisting of a complex sulfur derivative of certain aromatic diamines.]
(n) :
(biochemistry) Any of a class of cytotoxic polypeptides found in some plants
(n) :
Alternative form of thionine. [(chemistry) An artificial red or violet dyestuff consisting of a complex sulfur derivative of certain aromatic diamines.]