boric acid

bo·ric acid | \ˈbȯr-ik-\

Definition of boric acid 

: a white crystalline acid B(OH)3 obtained from its salts and used especially as a weak antiseptic and fire-retardant

Examples of boric acid in a Sentence

Recent Examples on the Web

Mix 1 tablespoon of boric acid powder ($13 for 1 pound, with 1 1/4 cups sugar. Caroline Picard, Good Housekeeping, "How to Get Rid of Ants," 9 May 2018 Yet just like its name suggests, boric acid can extremely dangerous, says Dr. Moore. Jazmine Polk,, "Women Are Using Roach Poison to Treat Chronic Bacterial Vaginosis. Here's What Ob-Gyns Say," 6 Feb. 2018 If the pH is off, boric acid suppositories from the natural food store can be helpful. Monique Judge, The Root, "Stop Sticking Fruit in Your Vagina," 15 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'boric acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of boric acid

1825, in the meaning defined above

History and Etymology for boric acid


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Dictionary Entries near boric acid



Borgne, Lake

boric acid


boric oxide


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Time Traveler for boric acid

The first known use of boric acid was in 1825

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More Definitions for boric acid

boric acid

bo·ric acid | \ˈbȯr-ik-\

Kids Definition of boric acid

: a weak acid containing boron used to kill germs

boric acid


Medical Definition of boric acid 

: a white crystalline acid H3BO3 obtained from its salts and used especially as a weak antiseptic

called also boracic acid, orthoboric acid

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a state of commotion or excitement

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