[per-bawr-eyt, -bohr-]
noun Chemistry.
a salt of perboric acid, as sodium perborate, NaBO 3 ⋅4H 2 O, used for bleaching, disinfecting, etc.

1880–85; per- + borate Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
perborate (pəˈbɔːreɪt)
See sodium perborate any of certain salts derived, or apparently derived, from perboric acid. Perborates are used as bleaches in washing powders

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Another traditional bleaching agent, sodium perborate may present both human health and ecological concerns.
The borates are also generally added, often in the form of sodium perborate.
Reoxidation is commonly done with sodium dichromate, acetic acid, sodium perborate or hydrogen peroxide.
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