Definition of hydroxide in English:

hydroxide

noun

Chemistry
  • A compound of a metal with the hydroxide ion OH− (as in many alkalis) or the group —OH.

    • ‘Nitrates are formed from reacting nitric acid with metal oxides, hydroxides, or carbonates.’
    • ‘Initially, the ammonia and carbon dioxide reacts with water to form the weak electrolytes, ammonium hydroxide and carbonic acid.’
    • ‘Carbonates and hydroxides are generally insoluble.’
    • ‘Therefore, they are neutralized by the hydroxide and hydrogen ions, and the resultant solution is neutral.’
    • ‘Soaps are created by the chemical reaction of a fatty acid with an alkali metal hydroxide.’

Pronunciation:

hydroxide

/hʌɪˈdrɒksʌɪd/