boric acid

noun

1. 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.
2. Chemistry. any of a group of acids containing boron.

boric acid

noun

1. Also calledorthoboric 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 Systematic nametrioxoboric(III) acid
2. any other acid containing boron

boric acid

/ bôr′ĭk /

1. A white or colorless crystalline compound that occurs naturally or is produced artificially from borax. It is used as an antiseptic and preservative, and in cements, enamels, and cosmetics. Chemical formula: H 3 BO 3 .

Word History and Origins

Origin of boric acid¹

First recorded in 1865–70

Example Sentences

For example, many pest-control companies consider boric acid an alternative, natural insecticide.

From Washington Post

Qualitative tests demonstrated the presence of antipyrin, free boric acid and sodium borate.

From Project Gutenberg

The composition given is: sulphur, niter, cinnamon and boric acid in gaseous solution.

From Project Gutenberg

She cried a bit when there was no more to be had, but a warm bath with some boric acid in it made her sleepy.

From Project Gutenberg

Formaldehyde, boric acid or salicylic acid may be added to preserve the milk.

From Project Gutenberg

If boric acid either free or combined is present, the turmeric paper will be turned to a cherry-red color.

From Project Gutenberg