(Chem.) A salt of sulphurous acid; called also sulfite.
2.
A person who is spontaneous and original in his habits of thought and conversation. (Archaic Slang) "A sulphite is a person who does his own thinking, he is a person who has surprises up his sleeve. He is explosive."
... first fancy duplex paper bag made by machinery from a roll of paper was produced by the Union Bag & Paper Corporation. It was of sulphite fiber inside, and glassine outside; a style afterward reversed, so as to have the glassine the ... — All About Coffee • William H. Ukers
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