Corrosive substance Corrosive substance A corrosive substance is one that will damage or destroy other substances with which it comes into contact by means of a chemical reaction. The word "corrosive" is derived from the Latin verb "corrodere", which means "to gnaw", indicating how these substances seem to "gnaw" their way through flesh or other materials. The word corrosive refers to any chemical that will dissolve the structure of an object. They can be acids, oxidizers, or bases. When they come in contact with a surface, the surface deteriorates. The deterioration can happen in minutes, e.g. concentrated muriatic acid spilled on skin;
Magic cube classes diagonal:)<br>. Included below are references and links to discussions of the old definition<br> With the popularity of personal computers it became easier to examine the finer details of magic cubes. Also more and more work was being done with higher dimension magic Hypercubes. For example, John Hendricks constructed the world's first Nasik magic tesseract in 2000. Classed as a perfect magic tesseract by Hendricks definition. A magic hypercube of dimension "n" is perfect if all pan-n-agonals sum correctly. Then all lower dimension hypercubes contained in it are also perfect.<br> For dimension 2, The Pandiagonal Magic Square has been called "perfect"