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boric acid

American  

noun

  1. Also called orthoboric acidChemistry, 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 British  

noun

  1. 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

  2. any other acid containing boron

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

boric acid Scientific  
/ bôrĭk /
  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 .


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

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

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

Sugar bait with a toxicant, such as boric acid, typically works well, as many of the ant species that enter homes are sweet-loving ants.

From Seattle Times

The standard slime recipe — which dates back to the 1940s, when an engineer dropped boric acid into silicone oil — almost always starts with glue.

From Washington Post