Definition of boric acid noun from the Oxford Advanced American Dictionary

 

boric acid

 noun
noun
NAmE//ˌbɔrɪk ˈæsɪd//
 
[uncountable](chemistry)(symbol B(OH)3)
 
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a chemical formed from borax, used in making glass and as an antiseptic (= a substance that helps to prevent infection in wounds)
See the Oxford Advanced Learner's Dictionary entry: boric acid