Definition of Boric acid

1. Noun. A white or colorless slightly acid solid that is soluble in water and ethanol; used in the manufacture of glass and paper and adhesives and in detergents and as a flux in welding; also used as an antiseptic and food preservative.

Exact synonyms: Orthoboric Acid
Generic synonyms: Acid

2. Noun. Any of various acids containing boron and oxygen.
Exact synonyms: Boracic Acid
Generic synonyms: Acid
Specialized synonyms: Perboric Acid

Definition of Boric acid

1. Noun. (chemistry) H3BO3; B(OH)3; a white crystalline solid, soluble in hot water to form a weak acid. Used as a mild antiseptic, flame retardant, insecticide(,) and in the manufacture of borax and other borate salts. ¹

2. Noun. (chemistry) A hydrate of boric oxide, specifically any of the three acids orthoboric acid, metaboric acid(,) or pyroboric acid. ¹

¹ Source:

Medical Definition of Boric acid

1. H3BO3;a very weak acid, used as an antiseptic dusting powder, in saturated solution as a collyrium, and with glycerin in aphthae and stomatitis. Synonym: boracic acid. (05 Mar 2000)

Boric Acid Pictures

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Lexicographical Neighbors of Boric Acid

boric acid (current term)
boric acids
boric oxide
boring clam
boring clams

Literary usage of Boric acid

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of the American Chemical Society by American Chemical Society (1899)
"As has been shown, impure methyl alcohol prevents the complete volatilization of the boric acid. The results obtained by this method are reliable, ..."

2. Methods of Practical Hygiene by Karl Bernhard Lehmann (1893)
"Rabbits and dogs when drenched daily with doses of \ grm., or 1 to 2 grm. boric acid in 20 or 50 grm. water, became in a few days unwell, and suffered from ..."

3. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"B. Titration of boric acid. The liberated boric acid may now be titrated with caustic. This may be accomplished either on the above portion or on a fresh ..."

4. Analytical Chemistry by Frederick Pearson Treadwell (1921)
"Crystallized boric acid forms colorless flakes, with a mother-of- pearl luster, ... By heating boric acid to 100°, it loses one molecule of water and is ..."

5. Diet in Health and Disease by Julius Friedenwald, John Ruhräh (1907)
"boric acid AND BORAX. The action of this group, as far as it is known, closely resembles that ... boric acid and borax may correctly be described together, ..."

6. The Analyst (1887)
"Thus, to volatilise 1 gram, of boric acid—the equivalent, speaking roughly, of about 0'5 gram, of boric anhydride—two treatments with 10 cc of ..."

7. American Druggist (1885)
"But the free boric acid, as we have already explained, does not act on the ... Senior and Low suppose that the glycerin sets the boric acid free, ..."

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