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Meaning of hydrosulfate

hy•dro•sul•fate

Pronunciation: (hī"dru-sul'fāt), [key]
— n.
  1. a salt formed by the direct union of sulfuric acid with an organic base, esp. an alkaloid, and usually more soluble than the base.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.