boric acid

noun (1)
bo·​ric acid | \ ˈbȯr-ik-\

Definition of boric acid

 (Entry 1 of 2)

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

boric oxide

noun (2)
variants: or less commonly boric anhydride

Definition of boric oxide (Entry 2 of 2)

: the trioxide B2O3 of boron obtained usually as a transparent glassy solid by fusing boric acid

Examples of boric acid in a Sentence

Recent Examples on the Web: Noun

The site produces materials such as boric acid, sodium carbonate, sodium sulfate and several specialty forms of borax used in soaps and other industrial materials. Alejandra Reyes-velarde, latimes.com, "Near earthquake epicenter in Trona, ‘it looks like a tornado went through’," 5 July 2019 The populations were tested for their level of resistance to three different insecticides: abamectin, boric acid, and thiamethoxam. Kelly Mayes, Science | AAAS, "Cockroaches may soon be unstoppable—thanks to fast-evolving insecticide resistance," 28 June 2019 It’s applied in the same manner as boric acid, with a manual duster. Joseph Truini, Popular Mechanics, "How to Get Rid of Termites," 8 Jan. 2019 The drugs can have too much or too little of an active ingredient, be substandard or expired, or contain poisons and contaminants such as floor wax, mercury, boric acid, paint or antifreeze. Sumathi Reddy, WSJ, "The Uphill Fight Against Fake Prescription Drugs," 8 Oct. 2018 Mix 1 tablespoon of boric acid powder ($13 for 1 pound, amazon.com) 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, Health.com, "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.

See More

First Known Use of boric acid

Noun (1)

1825, in the meaning defined above

History and Etymology for boric acid

Noun (1)

boron

Keep scrolling for more

Learn More about boric acid

Dictionary Entries near boric acid

Borgia

Borglum

Borgne, Lake

boric acid

borickite

boric oxide

boride

Statistics for boric acid

Last Updated

19 Jul 2019

Look-up Popularity

Time Traveler for boric acid

The first known use of boric acid was in 1825

See more words from the same year

Keep scrolling for more

More Definitions for boric acid

boric acid

noun
bo·​ric acid | \ ˈbȯr-ik-\

Kids Definition of boric acid

: a weak acid containing boron used to kill germs

boric acid

noun

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

Comments on boric acid

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

WORD OF THE DAY

something desired as essential

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!