boric acid
Americannoun
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Also called orthoboric acid. Chemistry, Pharmacology. a white, crystalline acid, H 3 BO 3 , occurring in nature or prepared from borax: used chiefly in the manufacture of ceramics, cements, glass, and enamels, for fireproofing, and in medicine in aqueous solution as a mild antiseptic.
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Chemistry. any of a group of acids containing boron.
noun
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Systematic name: trioxoboric(III) acid. Also called: orthoboric acid. a white soluble weakly acid crystalline solid used in the manufacture of heat-resistant glass and porcelain enamels, as a fireproofing material, and as a mild antiseptic. Formula: H 3 BO 3
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any other acid containing boron
Etymology
Origin of boric acid
First recorded in 1865–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Some baits contain over 5% boric acid, but this concentration is too high and will kill the ants before they have a chance to return to the nest.
From Seattle Times ● Feb. 29, 2024
Water and solutes, such as glycerol, urea, and boric acid, get transported through human Aqp10 depending on concentration gradients across the membrane.
From Science Daily ● Dec. 21, 2023
On the other hand, while Aqp10.2 in ray-finned fishes transport water and glycerol, they restrict urea and boric acid passage much more than Aqp10 and Aqp10.1.
From Science Daily ● Dec. 21, 2023
Borax and the related boric acid are commonly used in household products including laundry cleaning products, wood preservers, fertilisers, contact lens solution and ant killers.
From Salon ● Jul. 26, 2023
I wash my eyes three times a day with the boric acid powder.
From "Angela's Ashes: A Memoir" by Frank McCourt
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.