combining form of next, as in anhydro-borate, -sulphate, etc.

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1873.  Fownes, Chem., 325. Potassium forms … two acid sulphates, and an anhydrosulphate.

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1883.  Nature, XXVII. 423. He designates it benzoic sulphimide, or anhydrosulphamine benzoic acid.

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