Dictionary

sodium hydroxide

noun

Definition of SODIUM HYDROXIDE

:  a white brittle solid NaOH that is a strong caustic base used especially in making soap, rayon, and paper

First Known Use of SODIUM HYDROXIDE

1885

sodium hydroxide

noun    (Medical Dictionary)

Medical Definition of SODIUM HYDROXIDE

:  a white brittle deliquescent solid NaOH that dissolves readily in water to form a strongly alkaline and caustic solution and that is used in pharmacy as an alkalizing agent—called also caustic soda

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