[hahy-druh-broh-mahyd, -mid]
  1. a salt formed by the direct union of hydrobromic acid and an organic base, especially an alkaloid, usually more soluble than the base.

Origin of hydrobromide

First recorded in 1875–80; hydrobrom(ic) + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of hydrobromide