sodium peroxide

noun

Medical Definition of SODIUM PEROXIDE

: a pale-yellow hygroscopic granular compound Na₂O₂ that is used chiefly as an oxidizing and bleaching agent

What made you want to look up sodium peroxide? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears

Join Us

Merriam-Webster
on Facebook

Merriam-Webster
on Twitter

Bookstore: Digital and Print

Merriam-Webster references for Mobile, Kindle, print, and more.

See All

Other Merriam-Webster Dictionaries