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Related to caustic: caustic embrittlement


any strongly corrosive chemical substance, especially one that attacks organic matter. A caustic alkali is a metal hydroxide, especially that of an alkali metal; caustic soda is sodium hydroxide, and caustic potash is potassium hydroxide. Silver nitrate is another caustic substance; it is sometimes called lunar caustic. Most inorganic acids, e.g., sulfuric acid, are caustic, especially when concentrated.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a medicinal substance that exerts a local cauterizing effect when applied to the skin or a mucous membrane. Caustics are used for the destruction of certain skin neoplasms and for disinfection. They also perform antimicrobial activity by destroying the proteins of microorganisms. Caustics include such acids as fuming nitric acid and trichloracetic acid, such salts of heavy metals as silver nitrate and zinc sulfate, and alcohol solutions of iodine. Caustics are used in small concentrations as astringents.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Burning or corrosive.
A hydroxide of a light metal.
A curve or surface which is tangent to the rays of an initially parallel beam after reflection or refraction in an optical system.
A curve or surface which is tangent to adjacent orthogonals to waves that have been reflected or refracted from a curved surface.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


1. capable of burning or corroding by chemical action
2. of, relating to, or denoting light that is reflected or refracted by a curved surface
3. a surface that envelopes the light rays reflected or refracted by a curved surface
4. a curve formed by the intersection of a caustic surface with a plane
5. Chem a caustic substance, esp an alkali
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Caustic soda is used to produce several products across a number of industry verticals.
Back to seven furlongs from a mile, Caustic Love has shown winning form over even shorter - and the assistance of Joe Fanning in the saddle for the first time is no detriment either of course.
As Caustic, your ( Nox Gas Traps ability is crucial in your ( gameplan .
Caustic soda and bauxite are the two most important raw materials in alumina refining.
In a notification sent to the Pakistan Stock Exchange (PSX), NICL said its board of directors in its meeting held on 25th September gave approval for a capital investment of Rs2 billion for the expansion of caustic soda plant, soap finishing plant and power generation.
The plant will need five million tonnes of bauxite annually, which will be imported from the Republic of Guinea in West Africa, as well as 130,000t of caustic soda per year.
Jealous wife Sau Lin-Hin, 52, from Ryde, Isle of Wight, was jailed for nine years in 2014 for throwing caustic soda into the face of a wait ress at her husband's restaurant.
Mercerization is the process of treating cotton by immersing the fabric in a caustic soda solution (sodium hydroxide) and later neutralizing it with acid.
Once it starts production early next decade, Shaheen's ethylene dichloride and caustic soda plant will supply all its caustic soda output to EGA's Al Taweelah alumina refinery for 15 years.
Construction of the plant will significantly boost the UAE's production of caustic soda, an important raw material in industries from petroleum products to chemicals manufacturing as well as alumina refining.
Summary: The new plant to significantly boost the UAE's production of caustic soda