a. Obs. rare. [f. BRIMSTONE + -ISH1.] Sulphurous; somewhat sulphur-colored.

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1562.  Turner, Bathes, 7. The water of this bath is knowen to be … a small part brimstonish.

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1727.  Bradley, Fam. Dict., s.v. Anemone, Outer leav’d brimstonish thrum’d Green.

3